Muesebeck, Carl F. W. (Carl Frederick William), 1894-. <br/><br/>
Nearctic species of Scelionidae (Hymenoptera roctotrupoidea) :  that parasitize the eggs of grasshoppers / 
by Carl F. W. Muesebeck. 
 - U.S. Govt. Print. Off., Washington :  Smithsonian Institution Press; for sale by the Supt. of Docs.  1972. 
 - 33 p. :  ill. ;  26 cm. 
 - Smithsonian contributions to zoology ; no.122. .
<br/><br/>Bibliography : p. 23-25. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scelionidae.<br/>Grasshoppers--Parasites.