592 FAMILY XX. — NABID^E. 



ee. Sides of pronotum subparallel, more or less sinuate; elytra, 

 brachypterous form, narrower, the membrane short but dis- 

 tinct; abdomen beneath dull yellow with three fuscous stripes. 



567. SORDIDUS. 

 del. Hind lobe of pronotum finely but distinctly punctate or rugose; 

 body very slender; tibiae with but one or two dark rings. 

 /. Body much constricted near base of abdomen; apical third of 

 corium with two red lines; middle femora without slender 

 spines. 568. constrictus. 



//. Body not constricted near middle; corium without red markings; 

 middle femora armed beneath with four or five slender black 

 seta-like spines. 569. spinicrus. 



bb. Front and middle femora armed beneath with seta? only; connex- 

 ivum usually without spots. 

 g. Femora all with a subapical dark ring; hind lobe of pronotum 

 distinctly punctate; joint 1 of antennae longer than head. 



570. ANNULATUS. 



cjg. Femora without a distinct subapical ring; hind lobe of pronotum 

 smooth. 

 h. Form elongate; brachypterous forms with elytra less than three 

 times the length of scutellum; first antennal about as long as 

 head. 

 i. Elytra shining, without fuscous dots between the nervures, 

 surpassing abdomen by one-half or more the length of mem- 

 brane; front femora but little swollen; macropterous forms 

 only known. 571. capsiformis. 



ii. Elytra opaque, usually with numerous fuscous dots between 

 the nervures, in macropterous forms surpassing abdomen by 

 one-third or less the length of membrane; front femora dis- 

 tinctly swollen; macropterous forms rare. 

 j. Form very narrow; head about five times longer than inter- 

 ocular width; elytra in brachypterous forms rounded at 

 apex, their membrane wanting. 572. propinquus. 



jj. Form broader; head about three times longer than interocular 

 width; elytra in brachypterous form with apex truncate, 

 their membrane present. 573. limbatus. 



hh. . Form broader, more or less ovate; brachypterous forms with 

 elytra four or more times the length of scutellum; first anten- 

 nal generally shorter than head; macropterous forms common. 

 k. Elytra in macropterous form without three brown dots, in 

 brachypterous form much shorter than abdomen; dorsal sur- 

 face of abdomen dark brown with a single or double median 

 pale line, the margin of connexivum pale. 



574. FLAVOMARGINATUS. 



kk. Elytra in macropterous form with three brown dots, one on disk 

 of corium, two on the vein separating the membrane from 

 corium; elytra in brachypterous form reaching tip of abdo- 

 men ; dorsal surface of abdomen without median pale stripes. 

 I. First antennal much longer than anteocular portion of head. 



