SUBFAMILY II. — CAPSINjE. 683 



d. Median stripe of pronotum extending back to join the red scu- 

 tellum ; basal half of hind femora orange-red. 



661. RUBROVITTATUS. 



del. Median stripe extending back only to middle of hind lobe; hind 

 femora wholly black. 662. intercidendus. 



cc. Disk of pronotum without a median red stripe; joint 1 of antennae 

 twice as long as lateral width of an eye. 663. nigricollis. 



cut. Basal joint of antennae equal to or greater than width of vertex. 

 e. Pronotum wholly a uniform yellow or orange-red, elytra black. 

 /. Scutellum orange-yellow; tibiae clothed with short hairs, their 

 length less than thickness of tibiae; male genital without tu- 

 bercles. 664. INSITIVUS. 

 ff. Scutellum black; tibiae clothed with longer hairs, their length 

 greater than thickness of tibiae; male genital with a tubercle 

 each side. 665. nigroscutellatus. 

 ee. Pronotum in part black, rarely wholly bright red, but if so, the 

 costal margins of elytra red or dull yellow. 

 g. Larger, length, 9 or more mm. 



h. Joint 2 of antennae three or more times the length of 1, dis- 

 tinctly longer than width of pronotum at base. 



666. FRATERNUS. 



hh. Joint 2 of antennae twice as long as joint 1, subequal in length 

 to width of pronotum at base. 667. ROBUSTUS. 



gg. Smaller, length less than 8 mm. 



i. Lateral margins of elytra orange-red ; pronotal disk in great 

 part red with a black or fuscous stripe each side, or a fuscous 

 blotch near base. 668. circumcinctus. 



ii. Elytra wholly black. 

 j. Joint 1 of antennae equal in length to width of vertex, plus one- 

 third dorsal width of an eye; scutellum often with an orange 

 or reddish median stripe; length, 7.5 — 7.7 mm. 



669. RUBELLICOLLIS. 



jj. Joint 1 of antennae but slightly longer than width of vertex; 

 length, 7.7 mm. or less. 

 k. Head red, the tylus and more or less of juga and lora blackish; 

 pronotum red, the greater part of hind lobe usually black. 



670. INSIGNIS. 



kk. Head and scutellum black, basal margin of vertex narrowly 

 red; pronotal collar red, usually blackish above; surface 

 finely granulate. 671. borealis. 



660 (902). Platytylellus confraternus (Uhler) , 1872, 411. 



Head crimson or blood-red, tylus and vertex wholly or in part black 

 or fuscous-black; middle of collar and center of disk of pronotum, scu- 

 tellum, elytra, legs and antennae black; membrane dark brown, its veins 

 blackish; basal halves of femora often with a reddish tinge; coxae dull 

 yellow; genital region fuscous. Joint 1 of antennae slightly shorter than 

 width of vertex, 2 as long as pronotum and scutellum united, 3 one- 

 half the length of 2, one-third longer than 4. Beak reaching to or be- 

 tween hind coxae. Length, 8 mm. 



