ICHNEUMON-FLIES — GELINAE I MESOSTENINI 263 



strengthened sublaterally to form a short crest; second tergite mat, 

 with fine adjacent punctures; ovipositor tip about as in L. retentor 

 (fig. 329, c), but the upper valve a httle heavier and more convex in 

 profile. 



Ferruginous. Flagellum brownish, with a white band covering 

 about 5.5 segments; most of prepectus, lower 0.65 of mesepimeron and 

 surrounding area, groove at base of scutellum, median mark on mesoster- 

 num, edge of mesopleurum next to middle coxa, metasternum and its 

 margins, and basal 0.35 of third tergite, black; hind tibia with a brown- 

 ish tinge except basally; hind tarsus pale yellow, fulvous basally and 

 apically; wings subhyaline, the front wing with fuscous bands as in 

 figure 341, the apex of hind wing weakly infuscate. 



Specimens: 29, Burrville, Tenn., July 6 and 11, 1953, Bernard 

 Benesh (Ithaca and Townes). These specimens fit the original de- 

 scription perfectly and are the only specimens seen to date which 

 could possibly be Say's "Cryptus" cestus. 



3. Lanugo ferrugata, new species 



Figure 342 



Male: Front wing 9.5 mm. long; mesoscutum subpolished, its 

 punctures small, strong, separated by about 0.5 their diameter; apical 

 transverse carina of propodeum strong, complete but indistinct 

 medially; pleural carina complete below basal transverse carina, 

 moderatel}^ strong; hypostomal carina, front edge of pronotum, and 

 notaulus as in female. 



Ferruginous. Basal 7 segments of flagellum fulvoferruginous be- 

 low, infuscate above; segments 8-16 of flagellum pale j^ellow; segments 

 17 and following blackish; prosternum, prepectus, mesepimeron, and 

 some sutural marks on thorax, black; front and middle tibiae yellow, 

 fulvous below; tarsi yellow, their fifth segments brown, the basal half 

 of fifth segment of hind tarsus yellow; wings colored as in female; 

 first, second, fourth, and fifth tergites fuscous basally ; basal 0.3 of third 

 tergite fuscous. 



Female: Front wing 8.7 to 11.5 mm. long; hypostomal carina distad 

 of occipital carina rather high, about 0.58 as long as basal width of 

 mandible, its apex weakly projecting beyond lower articulation of man- 

 dible; epomia about 0.20 as long as height of pronotum; front edge of 

 pronotum with a rather sharp curve at its lower 0.35; mesoscutum mat, 

 its punctures small, weak, separated by about 0.3 their diameter; 

 notaulus moderately sharp, extending about 0.33 the distance to 

 scutellum; basal transverse carina of propodeum sharp medially and 

 laterally, elsewhere obsolescent (complete and sharp in all other 

 Nearctic species); apical transverse carina of propodeum absent 



