Engel, Michael S. <br/><br/>
A lateral gynandromorph in the bee genus Thyreus and the sting mechanism in the Melectini (Hymenoptera : Apidae) / 
Michael S. Engel. 
 - New York :  American Museum of Natural History,  2007. 
 - 11 p. :  ill., figs., tabl. 
 - American Museum Novitates  No. 3553  0003-0082 .
 - American Museum Novitates  No. 3553 .
<br/><br/>Bibliogr. : p. 11 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology