ICHNEUMON-FLIES, PART 2: EPHIALTINAE 



431 



(Zool. Set), vol. 15, pp. 237-240, 246, 247, 251.— Pratt, 1939, Ann. Ent. 

 Soc. America, vol. 32, p. 733. — Snodgrass, 1941, Smithsonian Misc. Coll., 

 vol. 99, no. 14, pp. 33, 34. 



Male: Brown. Head yellow, with vertical stripe on face below 

 each antennal socket, area on frons above each antennal socket, stripe 

 from eye to base of mandible, stripe between tops of eyes (enclosing 

 ocelli), and stripe on and in front of occipital carina, brown; mandible 

 black, yellow basally; palpi yellowish; scape and pedicel light brown 

 except above; flagellum dark brown, its apical half paler; side and 

 sometimes bottom edge of propleurum, broad band along upper margin 

 of pronotum, variable marks along front, anteroventral, and hind 

 edges of pronotum, a pair of median longitudinal stripes on mesos- 

 cutum (interrupted at notauli), lateral margin of mesoscutum, most 

 of scutellum, postscutellum, subtegular ridge, stripe bordering front, 

 lower, and hind margins of mesepisternum, apicolateral areas on 

 propodeum, and most of mesopleurum, yellow; front leg yellow, its 

 tarsus yellowish brown apically, its coxa and femur brown behind, 

 and its tibia with a subbasal brownish mark behind; middle leg colored 

 like front leg but with more brown on its coxa and femur, and base of 

 its first trochanter brown; hind coxa brown, its base above and more 

 or less of its anterodorsal and posterodorsal edges, yellow; first hind 

 trochanter brown, yellow apically; second hind trochanter yellow; 

 hind femur light brown, its apex and often some or all of its dorsal 

 edge yellow; hind tibia yellowish, with a brownish area subbasally 

 above; hind tarsus yellow; wings hyaline, with a spot in basal half of 

 radial cell and apex of discocubital cell and its apex brownish; first 

 and second tergites with a short subapical yellow band. 



Female: Head, thorax, and legs colored as in the male except that 

 brown markings on legs are usually a little more extensive. First 

 tergite with a short preapical 3'ellow band; second tergite with a 

 similar but longer band ; third and following tergites with a preapical 



Figure 191. — Localities for 

 Megarhyssa macrurus lun- 

 ator. 



