reclassification of microgasterini 127 



The PARADOXUS-Grovp 



Monobasic. 



Apanteles paradoxus Muesebeck 

 Apanteles paradoxus Muesebeck, 1958 : 446. 



I know this species from two paratypes presented to the British Museum by Dr. 

 Muesebeck. 



In general habitus, this species might be taken for a typical member of the 

 glomeratus-group. An areolated propodeum, however, is never found in this group. 

 I am inclined to regard paradoxus as being related to certain elements in the ultor- 

 group. For instance, Apanteles expulsus (ultor-group, Indo-oriental region) has an 

 ovipositor almost as short as that of paradoxus but the rugose part of tergite (2 + 3) 

 does not occupy the full width of the gaster as in that species and there are various 

 subtle differences that certainly exclude the possibility of a close relationship. 



Muesebeck thought that paradoxus showed some resemblance to aletiae, a North 

 American species that I should have no hesitation in placing in the ultor-group 

 though its position there would be marginal because of an extremely short ovipositor ; 

 in general, species of the ultor-group have a freely exserted ovipositor. 



Costa Rica : San Sebastian (type locality). 



Type in the U.S. National Museum. 



Host : Hemiceras sp. (Notodontidae). 



The CRASSICORNIS-Grovp 



My knowledge of this group is based on a male and female of crassicornis in the 

 British Museum, determined by Muesebeck. Having only a limited acquaintance 

 with the N. American fauna, I cannot say whether crassicornis (Provancher) 5 and any 

 allies it may have really form a discrete group or whether a transition exists towards 

 the more typical members of the ater-group which seems to be well represented in the 

 New World and to which crassicornis is very closely related. Nevertheless, attention 

 needs to be drawn to this species because of its rostriform face (Text-fig. 116). I 

 have not so far come across a lengthened head in the ater-group, except among the 

 species of the eublemmae-suhgroup, all S. African and far removed from the heavily 

 sculptured crassicornis. 



According to Muesebeck's 1920 key, two other N. American species, banksi 

 Viereck and dolichocephalus Muesebeck, fall within the crassi cornis-group. 



N. America. 



s Microgasler crassicornis Provancher, 1886 : 139, 142. 

 Apanteles crassicornis (Provancher) Provancher, 1888 : 388. 



