NEOTROPICAL STRATIOMYIDAE — JAMES 607 



the abdomen similarly haired. Body much slenderer than in the 

 female, the abdomen being only three-fourths as broad as long. Vein 

 R2+3 originating before cross-vein r-m. Length, 2.5 nmi. 



H olotype.— F^m^l^, Higuito, San Mateo, Costa Rica (Pablo 

 Schild). U.S.N.M. No. 52765. 



Allotype. — Male, same data. 



Paratopoty pes. —Three females and 3 males, same data. 



Remarks. — The generic position of this species is given only provi- 

 sionally. In Kertesz's key ^ it traces to Ahiomyia (males) or to 

 couplet 152 (females) ; in Curran's key ^ it traces readily to Eupachy- 

 gaster. According to the classification of Kertesz, our spocies of 

 Eupachygaster are not congeneric with Pachygaster tarsalis Zetter- 

 stedt, the type of the genus; E. pimctifer Malloch and E. Jienshmoi 

 Malloch should form a separate genus, and E. villosa still another 

 one. To take such a step would, however, be unwise, unless one had 

 abundant material and could make a thorough study of this difficult 

 group. It is possible that too many genera of Pachygastrinae have 

 already been proposed. 



2 Ann. Mus. Nat. Hungarici, vol. 14, pp. 127-140, 1916. 



s Tbe families and genera of North American Diptera, 512 pp., 1934. New York. 



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