ICHNEUMON-FLIES, PART 2'. EPHIALTINAE 



129 



ovipositor strong, abruptly declivous posteriorly, with usually four 

 subvertical ridges (figs. 330, e,f). 



This group contains about half of the genus, including the nine 

 Nearctic or Holarctic species described below ; the European Ephialtes 

 agnoscendus Roman 1939, Ephialtes curticornis Perkins 1943, Ephialtes 

 dux Tschek 1868, Ephialtes mesocentrus Gravenhorst 1829; Ephialtes 

 tschitscherini Kokujev 1904, from the Urals; the Japanese Ephialtes 

 macro punctatus Uchida 1928 and Ephialtes nakamurai Uchida 1928; 

 the Oriental Ephialtes jeralis Tosquinet 1903, Ephialtes iridipennis 

 Morley 1913, Ephialtes melanomerus Vollenhoven 1878, and Ephialtes 

 tinctipennis Cameron 1899; and Ephialtes nigricans Cameron 1886, 

 from Guatemala. These all are hereby referred to Dolichomitus and 

 are new combinations with the generic name. We have some addi- 

 tional Oriental and Palaearctic species which are undescribed. 



7. Dolichomitus populneus (Ratzeburg), new combination 



Figures 330,e; 333,f; 349 



Ephialtes populneus Ratzeburg, 1848, Die Ichneumonen der Forstinsecten . . . , 

 vol. 2, p. 100; d\ 9 . Type: d\ ? Germany (destroyed during World War 

 II) 



Male: Front wing 6.7 to 7.0 mm. long; face with fine, sharp punc- 

 tures whose interspaces are about 0.6 their diameter; prepectal 

 carina ending just above lower corner of pronotum; propodeum partly 

 weald} 7 rugulose, with large, weak, scattered punctures; median 

 longitudinal carinae of propodeum moderately strong, ridgelike, 

 extending about 0.7 the length of propodeum; front trochanters 

 somewhat flattened below and with very short, fine, dense hairs; 

 hairs on outer side of middle coxa a little finer and denser than else- 

 where on the coxa; front and middle coxae and trochanters not special- 

 ized except as described; first tergite about 2.1 as long as wide; 

 second tergite about 1.7 as long as wide; subgenital plate as in figure 



Figure 53. — Localities for 

 Dolichomitus populneus. 



