64 Bulletin de la Société Royale Entomologique d'Egypte 



Maie : 



Form a. — Alate. Head very dark olivaceous, 

 almost black. Antennae as head, but base of 3rd seg- 

 ment paler. Pronotum greyish-green with broad black 

 collar; mcsothorax black. Abdomen pale greyish- 

 green with blackish or very dark olivaceous trans- 

 verse bars, more or less coalescent to form a conspi- 

 cuous dark median area. Hairs pale. Eyes large, dark 

 reddish-brown. Legs : 1st pair pale, tarsi smoky; and 

 and 3rd pale, tinged with smoky; tarsi smoky. In- 

 sertions of wings pale ; cubitus and stigma just 

 smoky; veins dark. Cornicles pale. Claspers greyish- 

 green. Penis pale. Antennae about half the length of 

 the body; basal segment a little wider, but no longer 

 than 2nd, both dark; 3rd thick, much longer than 

 /ith, about as long as 6th, with 32-/jo small round sen- 

 soria; /|th a little longer than 5th with i5 - i8 small 

 round sensoria; äth with (S - io very small sensoria 

 and the normal sub-apical one; 6th with basal area 

 i/3 the flagellum. Proboscis reaching between 1st and 

 and coxae. The short dusky cornicles are reticulate 

 apically. Claspers small, tuberculate, dark. Penis pro- 

 truded. Cauda small, knob-shaped. 

 Length : 1.7 mm. 



Form b. — Apterous. Small, dark. Head dull 

 black. Prothorax as head, but pale at neck. Meso 

 and metathorax ])ale or obscure greyish-green with 

 the median area blackish or dusky. Abdomen black- 

 ish. Cornicles black. In some apex of abdomen green- 

 ish,. Hairs pale. Legs pale, tarsi dusky. Venter of 

 abdomen greyish-green with black bars. In some the 

 vertex of head is dusky. Antennae with 1st and 2nd 



