EXHIBIT 17 [LETTERHEAD OF DELOITTE & TOUCHE LLP] September 11, 1997 Securities and Exchange Commission 450 Fifth Street, N.W. Washington, DC 20549 Dear Sirs: We have read and agree with the comments included in paragraph 4 under the caption "Selection of Independent Auditors" appearing in this Proxy Statement and Prospectus, which are a part of MuniYield New York Insured Fund II, Inc.'s Registration Statement No. 333-33759 on Form N-14. Yours truly, /s/ Deloitte & Touche LLP Deloitte & Touche LLP