312 LONGICORNIA — CERAMBYCIDAE. 



Toxotus, 



Head and thorax black ; elytra wholly or partly black, 

 or entirely yellow-brown ; under-side black, part of abdo- 

 men sometimes brown ; part of antennae and of legs 

 yellow-brown ; pubescence gray or yellowish. L. 6 — 10 1. 

 Common, T. meridianus, Lin. 



JPachyta, 



A, Thorax red. 



Head black ; elytra violet or dark Ijlue ; breast black ; 

 abdomen red. L. 3 — 3| 1. Rather common. 



F. collar is, Lin. 



B. Thorax black. 



Head black ; elytra dull pale yellow, with black apex 

 and four black spots on each (three near side margin and 

 one on disc near base) ; under-side black. L. 4 — 5 1. Not 

 uncommon. P. octomaculata, Fab. 



Strangalia, 



A. Elytra yeUow, with black markings, or black, with 

 yellow markings. 



a* Base of femora black. 



I, Margins of thorax closely covered with golden- 

 yeUow hairs, disc with black hairs. 



Black ; elytra with four yellow bands, interrupted at 

 suture ; legs (except base of femora) red-yellow ; antennae 

 of female red-yellow. Margins of abdominal segments 

 fringed with yellow hairs. L. 7 — 8 1. Eare. 



S. aurulenta, Fab. 



II» Thorax with feeble yellowish-gray pubescence. 

 Black ; elytra with four yellow bands, nearly reaching 

 suture ; apex of antennae of female red-yellow. L. 7 1. 

 Scarce. S. quadrifasciata, Lin. 



6. Base of femora yellow. 



I» Sides of thorax angular in middle. 



Black ; part of elytra (markings variable), base of joints 

 of antennae and the legs (except apex of posterior femora) 

 yellow ; abdomen yellow at base in female. Posterior tibiae 



