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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED
MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number 811-06501

Name of Fund: BlackRock MuniYield Michigan Insured Fund II, Inc. (MYM)

Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809

Name and address of agent for service: Donald C. Burke, Chief Executive Officer, BlackRock
MuniYield Michigan Insured Fund II, Inc., 800 Scudders Mill Road, Plainsboro, NJ, 08536.
Mailing address: P.O. Box 9011, Princeton, NJ, 08543-9011

Registrant’s telephone number, including area code: (800) 882-0052, Option 4

Date of fiscal year end: 10/31/2008

Date of reporting period: 11/01/2007 – 01/31/2008

Item 1 – Schedule of Investments

BlackRock MuniYield Michigan Insured Fund II, Inc.     
Schedule of Investments as of January 31, 2008 (Unaudited)    (In Thousands) 
 
    Face         
    Amount    Municipal Bonds    Value 
 
 
 
     Michigan - 137.7%    $ 2,400    Adrian, Michigan, City School District, GO, 5% due 5/01/2014 (d)(f)    $ 2,687 
   
 
 
    3,165    Anchor Bay, Michigan, School District, School Building and Site, GO, Series II,     
        5.75% due 5/01/2010 (c)(f)    3,401 
   
 
 
    2,275    Bay City, Michigan, School District, School Building and Site, GO, 5% due 5/01/2031 (d)    2,372 
   
 
 
    2,150    Bullock Creek, Michigan, School District, GO, 5.50% due 5/01/2010 (e)(f)    2,298 
   
 
 
    3,850    Charlotte, Michigan, Public School District, GO, 5.375% due 5/01/2009 (c)(f)    4,005 
   
 
 
    2,420    Delta County, Michigan, Economic Development Corporation, Environmental Improvement Revenue     
        Refunding Bonds (Mead Westvaco-Escanaba), Series A, 6.25% due 4/15/2012 (f)    2,757 
   
 
 
    2,000    Detroit, Michigan, City School District, GO (School Building and Site Improvement), Series A, 5% due     
        5/01/2013 (c)(f)    2,221 
   
 
 
    1,480    Detroit, Michigan, City School District, GO (School Building and Site Improvement), Series A, 5.375%     
        due 5/01/2013 (c)(f)    1,670 
   
 
 
    1,900    Detroit, Michigan, City School District, GO (School Building and Site Improvement), Series B, 5% due     
        5/01/2028 (c)    1,929 
   
 
 
    1,700    Detroit, Michigan, City School District, GO, Series A, 5.50% due 5/01/2012 (d)(f)    1,894 
   
 
 
    1,780    Detroit, Michigan, Water Supply System Revenue Bonds, Second Lien, Series B, 5% due 7/01/2013 (e)(f)    1,981 
   
 
 
    2,620    Detroit, Michigan, Water Supply System Revenue Bonds, Second Lien, Series B, 5% due 7/01/2034 (e)    2,624 
   
 
 
    4,600    Detroit, Michigan, Water Supply System Revenue Bonds, Senior Lien, Series A, 5% due 7/01/2034 (e)    4,661 
   
 
 
    2,500    Dickinson County, Michigan, Economic Development Corporation, Environmental Improvement     
        Revenue Refunding Bonds (International Paper Company Project), Series A, 5.75% due 6/01/2016    2,591 
   
 
 
    2,170    Dickinson County, Michigan, Healthcare System, Hospital Revenue Refunding Bonds, 5.80% due     
        11/01/2024 (h)    2,197 
   
 
 
    1,610    East Grand Rapids, Michigan, Public School District, GO, 5.75% due 5/01/2009 (d)(f)    1,682 
   
 
 
    6,300    East Grand Rapids, Michigan, Public School District, GO, 6% due 5/01/2009 (d)(f)    6,603 
   
 
 
    880    Eaton Rapids, Michigan, Public Schools, School Building and Site, GO, 5% due 5/01/2014 (d)(f)    985 
   
 
 
    2,000    Eaton Rapids, Michigan, Public Schools, School Building and Site, GO, 5.25% due 5/01/2023 (d)    2,178 
   
 
 
    1,000    Eaton Rapids, Michigan, Public Schools, School Building and Site, GO, 5% due 5/01/2026 (d)    1,042 
   
 
 
    370    Eaton Rapids, Michigan, Public Schools, School Building and Site, GO, 5% due 5/01/2029 (d)    383 
   
 
 
    385    Flint, Michigan, Hospital Building Authority, Revenue Refunding Bonds (Hurley Medical Center),     
        Series A, 5.375% due 7/01/2020 (h)    368 
   
 
 
    775    Flint, Michigan, Hospital Building Authority, Revenue Refunding Bonds (Hurley Medical Center),     
        Series A, 6% due 7/01/2020 (h)    779 
 
 
 
     Portfolio Abbreviations             
 
 
 

To simplify the listings of BlackRock MuniYield Michigan Insured Fund II, Inc.'s portfolio holdings in the Schedule of Investments, we have abbreviated the names of many of the securities according to the list below.

AMT    Alternative Minimum Tax (subject to)    GO    General Obligation Bonds 
COP    Certificates of Participation    HDA    Housing Development Authority 
DRIVERS    Derivative Inverse Tax-Exempt Receipts    M/F    Multi-Family 

1

BlackRock MuniYield Michigan Insured Fund II, Inc.     
Schedule of Investments as of January 31, 2008 (Unaudited)    (In Thousands) 
 
Face         
Amount    Municipal Bonds    Value 
 
 
$ 1,800    Fowlerville, Michigan, Community Schools, School District, GO, 5% due 5/01/2030 (c)    $ 1,844 
 
 
3,065    Gibraltar, Michigan, School District, GO (School Building and Site), 5% due 5/01/2014 (c)(f)    3,432 
 
 
585    Gibraltar, Michigan, School District, GO (School Building and Site), 5% due 5/01/2028 (c)    601 
 
 
1,000    Grand Blanc, Michigan, Community Schools, GO, 5.625% due 5/01/2017 (c)    1,097 
 
 
1,000    Grand Blanc, Michigan, Community Schools, GO, 5.625% due 5/01/2018 (c)    1,086 
 
 
1,100    Grand Blanc, Michigan, Community Schools, GO, 5.625% due 5/01/2019 (c)    1,195 
 
 
665    Grand Rapids, Michigan, Building Authority Revenue Bonds, Series A, 5.50% due 10/01/2012 (a)(f)    748 
 
 
805    Grand Rapids, Michigan, Building Authority Revenue Bonds, Series A, 5.50% due 10/01/2018 (a)    878 
 
 
190    Grand Rapids, Michigan, Building Authority Revenue Bonds, Series A, 5.50% due 10/01/2019 (a)    207 
 
 
1,500    Grand Rapids, Michigan, Sanitation Sewer System Revenue Refunding and Improvement Bonds,     
    Series A, 5.50% due 1/01/2022 (c)    1,716 
 
 
215    Harper Woods, Michigan, City School District, School Building and Site, GO, Refunding, 5% due     
    5/01/2014 (c)(f)    241 
 
 
10    Harper Woods, Michigan, City School District, School Building and Site, GO, Refunding, 5% due     
    5/01/2034 (c)    10 
 
 
4,500    Hartland, Michigan, Consolidated School District, GO, 6% due 5/01/2010 (c)(f)    4,860 
 
 
1,275    Haslett, Michigan, Public School District, School Building and Site, GO, 5.625% due 11/01/2011 (e)(f)    1,417 
 
 
2,660    Hudsonville, Michigan, Public Schools, School Building and Site, GO, 5% due 5/01/2029 (d)    2,755 
 
 
3,975    Jackson, Michigan, Public Schools, GO, 5.375% due 5/01/2010 (c)(f)    4,239 
 
 
3,000    Kent, Michigan, Hospital Finance Authority Revenue Bonds (Spectrum Health), Series A,     
    5.50% due 7/15/2011 (e)(f)    3,309 
 
 
1,235    Lapeer, Michigan, Community Schools, School Building and Site, GO, 5% due 5/01/2037 (d)    1,285 
 
 
1,440    Ludington, Michigan, Area School District, GO, 5.25% due 5/01/2023 (e)    1,544 
 
 
1,125    Michigan Higher Education Facilities Authority, Limited Obligation Revenue Bonds (Hillsdale College     
    Project), 5% due 3/01/2035    1,128 
 
 
1,000    Michigan Higher Education Facilities Authority, Limited Obligation Revenue Refunding Bonds     
    (Hope College), Series A, 5.90% due 4/01/2032    1,018 
 
 
550    Michigan Higher Education Facilities Authority, Revenue Refunding Bonds (College for Creative     
    Studies), 5.85% due 12/01/2022    574 
 
 
1,000    Michigan Higher Education Facilities Authority, Revenue Refunding Bonds (College for Creative     
    Studies), 5.90% due 12/01/2027    1,033 
 
 
3,000    Michigan Higher Education Student Loan Authority, Student Loan Revenue Bonds, AMT,     
    Series XVII-B, 5.40% due 6/01/2018 (a)    3,035 
 
 
500    Michigan Higher Education Student Loan Authority, Student Loan Revenue Bonds, AMT,     
    Series XVII-Q, 5% due 3/01/2031 (a)    498 
 
 
1,185    Michigan State Building Authority Revenue Bonds (Facilities Program), Series II, 4.67%     
    due 10/15/2009 (a)(b)(j)    1,140 
 
 
1,675    Michigan State Building Authority Revenue Bonds (Facilities Program), Series II, 4.77%     
    due 10/15/2010 (a)(b)(j)    1,567 
 
 

2

BlackRock MuniYield Michigan Insured Fund II, Inc.     
Schedule of Investments as of January 31, 2008 (Unaudited)    (In Thousands) 
 
Face         
Amount    Municipal Bonds    Value 
 
 
$ 2,000    Michigan State Building Authority, Revenue Refunding Bonds (Facilities Program),     
    Series II, 5% due 10/15/2029 (e)    $ 2,044 
 
 
2,100    Michigan State Building Authority, Revenue Refunding Bonds (Facilities Program),     
    Series II, 5% due 10/15/2033 (a)    2,159 
 
 
3,870    Michigan State, COP, 5.50% due 6/01/2010 (a)(f)    4,124 
 
 
1,000    Michigan State, Comprehensive Transportation Revenue Refunding Bonds, 5% due 5/15/2026 (d)    1,053 
 
 
1,000    Michigan State, HDA, Limited Obligation M/F Housing Revenue Bonds (Deaconess Towers     
    Apartments), AMT, 5.25% due 2/20/2048 (l)    979 
 
 
285    Michigan State, HDA, Rental Housing Revenue Bonds, AMT, Series A, 5.30% due 10/01/2037 (e)    284 
 
 
1,500    Michigan State, HDA, Rental Housing Revenue Bonds, AMT, Series B, 4.85% due 10/01/2037 (d)    1,415 
 
 
1,500    Michigan State, HDA, Rental Housing Revenue Bonds, AMT, Series D, 5.125% due 4/01/2031 (d)    1,502 
 
 
1,000    Michigan State Hospital Finance Authority, Hospital Revenue Bonds (Mid-Michigan Obligation Group),     
    Series A, 5.50% due 4/15/2018 (a)    1,057 
 
 
1,300    Michigan State Hospital Finance Authority, Hospital Revenue Refunding Bonds (Crittenton Hospital),     
    Series A, 5.625% due 3/01/2027    1,342 
 
 
5,490    Michigan State Hospital Finance Authority, Hospital Revenue Refunding Bonds (Oakwood Obligated     
    Group), Series A, 5% due 7/15/2037    5,238 
 
 
2,495    Michigan State Hospital Finance Authority, Hospital Revenue Refunding Bonds (Sparrow Obligated     
    Group), 5% due 11/15/2031    2,481 
 
 
1,585    Michigan State Hospital Finance Authority Revenue Bonds (McLaren Health Care Corporation),     
    Series C, 5% due 8/01/2035    1,562 
 
 
2,000    Michigan State Hospital Finance Authority Revenue Bonds (Mercy Health Services), Series R, 5.375%     
    due 8/15/2026 (a)(b)    2,013 
 
 
5,670    Michigan State Hospital Finance Authority Revenue Bonds (Mid-Michigan Obligor Group),     
    Series A, 5% due 4/15/2036    5,594 
 
 
1,000    Michigan State Hospital Finance Authority Revenue Bonds (Trinity Health Credit Group), Series A, 5%     
    due 12/01/2031    1,004 
 
 
7,000    Michigan State Hospital Finance Authority, Revenue Refunding Bonds (Ascension Health Credit),     
    Series A, 6.125% due 11/15/2009 (e)(f)    7,543 
 
 
3,760    Michigan State Hospital Finance Authority, Revenue Refunding Bonds (Ascension Health Credit),     
    Series A, 6.25% due 11/15/2009 (e)(f)    4,060 
 
 
1,345    Michigan State Hospital Finance Authority, Revenue Refunding Bonds (Henry Ford Health System),     
    Series A, 5.25% due 11/15/2032    1,350 
 
 
3,215    Michigan State Hospital Finance Authority, Revenue Refunding Bonds (Mercy Health Services),     
    Series X, 6% due 8/15/2009 (e)(f)    3,407 
 
 

3

BlackRock MuniYield Michigan Insured Fund II, Inc.     
Schedule of Investments as of January 31, 2008 (Unaudited)    (In Thousands) 
 
Face         
Amount    Municipal Bonds    Value 
 
 
$ 2,000    Michigan State Hospital Finance Authority, Revenue Refunding Bonds (Mercy-Mount Clemens),     
    Series A, 5.75% due 5/15/2009 (e)(f)    $ 2,111 
 
 
1,000    Michigan State Hospital Finance Authority, Revenue Refunding Bonds (Mercy-Mount Clemens),     
    Series A, 6% due 5/15/2009 (e)(f)    1,059 
 
 
5,500    Michigan State Hospital Finance Authority, Revenue Refunding Bonds (Trinity Health), Series A, 6%     
    due 12/01/2027 (a)    5,877 
 
 
1,000    Michigan State Hospital Finance Authority, Revenue Refunding Bonds (Trinity Health Credit), Series C,     
    5.375% due 12/01/2023    1,043 
 
 
3,450    Michigan State Hospital Finance Authority, Revenue Refunding Bonds (Trinity Health Credit), Series C,     
    5.375% due 12/01/2030    3,537 
 
 
1,900    Michigan State Hospital Finance Authority, Revenue Refunding Bonds (Trinity Health Credit Group),     
    Series D, 5% due 8/15/2034    1,902 
 
 
9,500    Michigan State Strategic Fund, Limited Obligation Revenue Refunding Bonds (Detroit Edison Company     
    Pollution Control Project), AMT, Series A, 5.55% due 9/01/2029 (e)    9,707 
 
 
2,000    Michigan State Strategic Fund, Limited Obligation Revenue Refunding Bonds (Detroit Edison Company     
    Pollution Control Project), Series AA, 6.95% due 5/01/2011 (c)    2,256 
 
 
1,375    Michigan State Strategic Fund, Limited Obligation Revenue Refunding Bonds (Dow Chemical Company     
    Project), AMT, 5.50% due 12/01/2028    1,396 
 
 
6,500    Monroe County, Michigan, Economic Development Corporation, Limited Obligation Revenue     
    Refunding Bonds (Detroit Edison Co. Project), Series AA, 6.95% due 9/01/2022 (c)    8,463 
 
 
1,200    New Lothrop, Michigan, Area Public Schools, School Building and Site, GO, 5% due 5/01/2035 (d)    1,244 
 
 
600    Oak Park, Michigan, Street Improvement, GO, 5% due 5/01/2030 (e)    623 
 
 
1,000    Plainwell, Michigan, Community Schools, School District, School Building and Site, GO, 5.50% due     
    11/01/2012 (d)(f)    1,125 
 
 
640    Pontiac, Michigan, Tax Increment Finance Authority, Revenue Refunding Bonds (Development Area     
    Number 3), 5.375% due 6/01/2012 (f)(h)    711 
 
 
360    Pontiac, Michigan, Tax Increment Finance Authority, Revenue Refunding Bonds (Development Area     
    Number 3), 5.375% due 6/01/2017 (h)    364 
 
 
1,000    Reed, Michigan, City Public Schools, School Building and Site, GO, 5% due 5/01/2014 (d)(f)    1,120 
 
 
1,500    Romulus, Michigan, Community Schools, GO, 5.75% due 5/01/2009 (c)(f)    1,567 
 
 
1,050    Roseville, Michigan, School District, School Building and Site, GO, Refunding, 5% due 5/01/2031 (d)    1,095 
 
 
1,450    Saginaw Valley State University, Michigan, General Revenue Refunding Bonds, 5% due 7/01/2024 (c)    1,496 
 
 
1,000    Saginaw Valley State University, Michigan, General Revenue Refunding Bonds, 5% due 7/01/2034 (c)    1,012 
 
 
13,000    Saint Clair County, Michigan, Economic Revenue Refunding Bonds (Detroit Edison Co. Project),     
    Series AA, 6.40% due 8/01/2024 (a)    13,442 
 
 

4

BlackRock MuniYield Michigan Insured Fund II, Inc.         
Schedule of Investments as of January 31, 2008 (Unaudited)    (In Thousands) 
 
    Face             
    Amount    Municipal Bonds        Value 
 
 
 
 
$ 2,650    South Lyon, Michigan, Community Schools, GO, Series A, 5.75% due 5/01/2010 (e)(f)    $ 2,847 
 
 
    1,000    Southfield, Michigan, Public Schools, School Building and Site, GO, Series A, 5% due 5/01/2014 (d)(f)        1,120 
 
 
 
 
    1,950    Southfield, Michigan, Public Schools, School Building and Site, GO, Series A, 5.25% due 5/01/2014 (d)(f)    2,211 
 
 
 
    1,000    Sparta, Michigan, Area Schools, School Building and Site, GO, 5% due 5/01/2014 (c)(f)        1,120 
 
 
 
 
    1,500    Thornapple Kellogg School District, Michigan, GO, Refunding, 5% due 5/01/2032 (e)        1,561 
 
 
 
 
    6,500    Wayne Charter County, Michigan, Airport Revenue Bonds (Detroit Metropolitan Wayne County), AMT,         
        Series A, 5.375% due 12/01/2015 (e)        6,634 
 
 
 
 
    1,180    Wayne Charter County, Michigan, Detroit Metropolitan Airport, GO, Airport Hotel, Series A,         
        5% due 12/01/2030 (e)        1,203 
 
 
 
 
    3    Wayne County, Michigan, Airport Authority Revenue Bonds, DRIVERS, AMT,         
        Series 1081-Z, 6.621% due 6/01/2013 (e)(g)        3 
 
 
 
 
    5,200    Wayne County, Michigan, Airport Authority Revenue Bonds (Detroit Metropolitan Wayne County         
        Airport), AMT, 5% due 12/01/2034 (e)        5,156 
 
 
 
 
    5,300    Wyoming, Michigan, Sewage Disposal System Revenue Bonds, 5% due 6/01/2030 (e)        5,484 
 
 
 
 
    1,330    Zeeland, Michigan, Public Schools, School Building and Site, GO, 5% due 5/01/2029 (e)        1,372 
 
 
 
 
     Puerto Rico - 6.2%    4,900    Puerto Rico Commonwealth Highway and Transportation Authority, Transportation Revenue Refunding         
        Bonds, Series N, 5.25% due 7/01/2039 (c)        5,006 
 
 
 
 
    12,500    Puerto Rico Sales Tax Financing Corporation, Sales Tax Revenue Refunding Bonds, Series A, 5.20%         
        due 8/01/2043 (e)(j)        1,879 
 
 
 
 
    30,000    Puerto Rico Sales Tax Financing Corporation, Sales Tax Revenue Refunding Bonds, Series A, 4.99%         
        due 8/01/2046 (e)(j)        3,815 
 
 
 
 
        Total Municipal Bonds (Cost - $235,395) - 143.9%        246,537 
 
 
 
 
        Municipal Bonds Transferred to Tender Option Bond Trusts (m)         
 
 
 
 
     Michigan - 18.0%    2,700    Detroit, Michigan, Water Supply System, Senior Lien Revenue Bonds, Series A, 5.75% due         
        7/01/2011 (c)(f)        3,007 
   
 
 
 
    5,715    Michigan State, COP, Refunding (New Center Development Inc.), 5.75% due 9/01/2010 (b)(e)        6,270 
   
 
 
 
    5,045    Michigan State, COP, Refunding (New Center Development Inc.), 5.75% due 9/01/2011 (b)(e)        5,535 
   
 
 
 
    7,000    Michigan State Building Authority, Revenue Refunding Bonds (Facilities Program), Series I, 5.50%         
        due 10/15/2010 (d)        7,665 
   
 
 
 
    4,475    Wayne County, Michigan, Airport Authority Revenue Bonds (Detroit Metropolitan Wayne         
        County Airport), AMT, 5.25% due 12/01/2025 (e)        4,534 
   
 
 
 
    3,700    Wayne County, Michigan, Airport Authority Revenue Bonds (Detroit Metropolitan Wayne         
        County Airport), AMT, 5.25% due 12/01/2026 (e)        3,749 
 
 
 
 
     Puerto Rico - 2.8%    4,540    Puerto Rico Electric Power Authority, Power Revenue Bonds, Series HH, 5.75%, due 7/01/2010 (d)(f)        4,940 
 
 
 
 
        Total Municipal Bonds Transferred to Tender Option Bond Trusts (Cost - $35,832) - 20.8%        35,700 
 
 
 
 

5

BlackRock MuniYield Michigan Insured Fund II, Inc.     
Schedule of Investments as of January 31, 2008 (Unaudited)    (In Thousands) 
 
Shares         
Held    Short-Term Securities    Value 
 
 
2,305    CMA Michigan Municipal Money Fund, 1.97% (i)(k)    $ 2,305 
 
 
    Total Short-Term Securities (Cost - $2,305) - 1.4%    2,305 
 
 
    Total Investments (Cost - $273,532*) - 166.1%    284,542 
    Other Assets Less Liabilities - 1.7%    2,923 
    Liability for Trust Certificates, Including Interest     
    Expense Payable - (10.0%)    (17,157) 
    Preferred Stock, at Redemption Value - (57.8%)    (99,028) 
       
    Net Assets Applicable to Common Stock - 100.0%    $ 171,280 
       

*    The cost and unrealized appreciation (depreciation) of investments as of January 31,     
    2008, as computed for federal income tax purposes, were as follows:     
    Aggregate cost    $ 256,784     
       
   
    Gross unrealized appreciation    $ 13,843     
    Gross unrealized depreciation    (3,102)     
    Net unrealized appreciation    $ 10,741     
       
   
(a)    AMBAC Insured.         
(b)    Escrowed to maturity.         
(c)    FGIC Insured.         
(d)    FSA Insured.         
(e)    MBIA Insured.         
(f)    Prerefunded.         
(g)    The rate disclosed is that currently in effect. This rate changes periodically and inversely based upon prevailing market rates. 
(h)    ACA Insured.         
(i)    Investments in companies considered to be an affiliate of the Fund, for purposes of Section 2(a)(3) of the 
    Investment Company Act of 1940, were as follows:     
   
 
        Net    Dividend 
    Affiliate    Activity    Income 
   
 
 
    CMA Michigan Municipal Money Fund    (2,409)    $28 
   
 
 
(j)    Represents a zero coupon bond; the interest rate shown reflects the effective yield at the time of purchase. 
(k)    Represents the current yield as of January 31, 2008.     
(l)    GNMA Collateralized.         
(m)    Securities represent underlying bonds transferred to a separate securitization trust established in a tender option 
    bond transaction in which the Fund may have acquired the residual interest certificates. These securities serve as 
    collateral in a financing transaction.         

6

Item 2 – Controls and Procedures

2(a) – The registrant’s principal executive and principal financial officers or persons performing
similar functions have concluded that the registrant’s disclosure controls and procedures (as
defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the
“1940 Act”)) are effective as of a date within 90 days of the filing of this report based on the
evaluation of these controls and procedures required by Rule 30a-3(b) under the 1940 Act
and Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended.

2(b) – There were no changes in the registrant’s internal control over financial reporting (as
defined in Rule 30a-3(d) under the 1940 Act) that occurred during the registrant’s last fiscal
quarter that have materially affected, or are reasonably likely to materially affect, the
registrant’s internal control over financial reporting.

Item 3 – Exhibits

  Certifications – Attached hereto

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment
Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by
the undersigned, thereunto duly authorized.

BlackRock MuniYield Michigan Insured Fund II, Inc.

By: /s/ Donald C. Burke

  Donald C. Burke
Chief Executive Officer of
BlackRock MuniYield Michigan Insured Fund II, Inc.

  Date: March 24, 2008

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment
Company Act of 1940, this report has been signed below by the following persons on behalf
of the registrant and in the capacities and on the dates indicated.

  By: /s/ Donald C. Burke
Donald C. Burke
Chief Executive Officer (principal executive officer) of
BlackRock MuniYield Michigan Insured Fund II, Inc.

  Date: March 24, 2008

  By: /s/ Neal J. Andrews
Neal J. Andrews
Chief Financial Officer (principal financial officer) of
BlackRock MuniYield Michigan Insured Fund II, Inc.

Date: March 24, 2008