HEMIPTERA. 1 83 



HH. Wing-covers well developed. 



I. Body linear. Fam. XXI. — EMESID/E. 



II. Body not linear. 



J. Body greatly flattened. Fam. XXV. — Akadiim 



JJ. Body of ordinary form (Saicinse,). 



Fam. XXII. — ReDUVIIDjE. 

 GG. Two ocelli present, though sometimes difficult to see; wing- 

 covers well developed. 

 H. Wing-covers with embolium, Fig. 151. (Anthocorinae.) 



Fam. XXVII. — ACANTHIID 1 

 1 1 H. Wing-covers without embolium. 



I. Rostrum long, reaching to or beyond the intermediate 

 coxae. Fam. XVII. — Sw.ihi>i 



II. Rostrum short. 



J. Front legs with greatly widened femora. 



Fam. XXIV. — Phv.mai id.k. 

 JJ. Front femora somewhat thickened, but much less than 

 half as wide as long. Fam. XXII. — Reduviid.e. 



FF. Rostrum 4-jointed. 



G. Membrane of wing-covers with longitudinal veins ; legs either 

 raptorious or ambulatory. 



H. Membrane usually with four long veins bounding three 

 discal cells, which are often open. From these cells diverge 

 veins all around and form several marginal cells (Fig. 1501; 

 legs raptorious. Fam. XXIII. — Nahid.*:. 



HH. Membrane with 4 or 5 simple or anastomosing veins 

 arising from the base; or with a larger number of veins aris- 

 ing from a cross vein at the base ; legs ambulatory. 



I. Ocelli wanting ; membrane with two large cells at the base ; 

 and from these arise branching veins (Fig. 153). 



Fam. XXIX. — Pyrrhocorip.v . 



II. Ocelli present. 



J. Head with a transverse incision in front of the ocelli. 



Fam. XXXI.— Bkrvti U.K. 

 JJ. Head without transverse incision. 



K. Membrane with 4 or 5 simple veins arising from the 

 base of the membrane; the two inner ones sometimes 

 joined to a cell near the base (Fig. 154). 



Fam. XXX.— Lyc.mi. E. 

 KK. Membrane with many, usually forked, veins, spring- 

 ing from a transverse basal vein (Fig. 155). 



Fam. XXX II. COREIDJE. 



GG. Membrane of wings-covers with one or two closed cells at 



its base, otherwise without veins (Fig. 152); legs ambulatory. 



Fam. XXVIII.— Capsi d.k. 

 GGG. Membrane of wing-covers without any veins ; legs ambu- 

 latory. Fam. XVIII.— Hkbriim.. 



