Séaiice du 22 Février U)22 43 



dusky, (-aiida very lai^re, (\\\\\v \yà\v or may hp l'ainlly 

 yell()\\ish or «.Moenisl», hiil paler than colour of ahilo- 

 nieii. Cornicles short ami Ihick, «greenish ^^ith dusky 

 apex. Skill reticulate. Anten na(> very short, not (juite 



\J f0 ^ ET 



D 



Ilyalopterus obscnrns nov. sp. — A. Head and antenna 

 of alate 9 ; B. of apterous 9 ; C. Cornicles and D. Cauda 

 of alate 9; E. and F. of aptei'ou.s 9. 



half the lenj^^h of the tliorax; of ;"> segments, but in 

 one tlie 3rd is constricted; the basal segment larger 

 than :>nd; 3rd nearly as long as /i + ä; /jth about as 

 long as basal area of 'itli; the flagellum of 'Ah slightly 

 shorter than flagellum. Proboscis reaching nearly to 

 or to the :>nd coxae. Cornicles very short, gradually 

 tajiering to aj)ex. Cauda long, but not quite twice as 

 long as the cornicles; with two hairs each side. A few 

 hairs on the tibiae. 



Length : i.f) — i.S mm. 



1/a/c viviparous jeniole : 



Head blaek. Antennae black. Eyes deej) red. Pro 

 thorax ochreous green; collar dusky; tips of tibiae and 



