KEY TO THE LONG=HORNS. 



hairs, but in the chitin) on each side. In hickory 



Neoclytus luscus. 



17. Black with the following yellow markings: a marginal 

 line on the pronotum, interrupted at the base; scutellum; 

 an oval, oblique spot on basal third of each elytron; a 

 strongly angulated band back of this; and an oblique bar 

 back of the middle. Has been taken on hickory, elm, 

 and oak Clytanthus ruricola. 



Blackish-brown, except reddish basal half of elytra. 

 Each elytron with the following markings of whitish 

 pubescence: a narrow, oblique line on basal half; a long, 

 narrow, curved band behind the middle; and a spot on 

 the apex. Has been taken on hickory, grape, and oak. 



Clytanthus albofasciatus f 



18. Each elytron with an oblique, wavy band; shining 

 black or dark reddish-brown. Looks like an ant. Breeds 

 in hickory and chestnut branches, possibly in other trees. 



Euderces picipes. 

 No such band 19. 



19. Eyes emarginate; second joint of antennae distinctly 

 shorter than the fourth, third joint with a spine; black; 

 femora and basal three-fifths of elytra reddish-brown, the 

 latter marked with three narrow, oblique lines of whitish 

 pubescence and separated from the black portion by a 

 similar transverse line. Bores in beech, linden, chestnut, 

 and other trees Cyrtophorus verrucosus. 



Eyes not emarginate; head and pronotum black; 

 elytra with markings of silvery hairs. Has been bred 

 from sumac and hickory. Rare. . . . Tillomorpha geminata. 



Lcpturini. (See page 340.) 



Members of this tribe may often be found on flowers. 



1. Spurs of hind tibiae not terminal but at the base of a 

 deep excavation; pronotum tuberculate at the sides. 

 Toxotus. T. vittiger has two long, longitudinal, whitish 

 stripes on each elytron. T. cylindricollis is also black 

 (or reddish) but without whitish markings. 



Spurs of hind tibiae terminal 2. 



2. First joint of hind tarsi with the usual brush of hair 



349 



