TPIE LONG-HORNED WOOD-!5( >K1 X(i BKETLKS. HCW 



(I. Thorax with short, transverse dorsal raised lines or ridges. 



XXXII. NEOCI.YTI-S. 



!/!'/. Thorax without transverse ridges. 



7i. Episterna of metatliorax narrow. XXXIII. CLYTANTHI-S. 



hit. Episterna of metathorax wider. CLYTUS. 



ec. Elytra swollen on basal third : small, ant-like species, not over 10 nun. 

 *. Elytra without a transverse oblique, ivory-like band. 

 j. Eyes oblique, emarginate. 



/,-. Second joint of anteinue as long as fourth: antennse without 



spines. MICROCLYTTS. 



7c7c. Second joint of anteinue distinctly shorter than fourth : third 



joint with a spine. XXXIV. ( 'YKTOIMIOKTS. 



jj. Eyes rounded, entire. TII.LOMORPIIA. 



ii. Elytra each with a transverse, oblique, ivory-like band. 



XXXV. EUDERCES. 



XXVII. CYLLENE Newm. 1840. (Gr., the name of a mountain in 



Greece. ) 



Medium-sized robust species having the body densely clothed 

 with short prostrate hair. In our species the thorax and elytra are 

 conspicuously banded with yellow. Three of the five known species 

 occur in the State. 



KEY TO INDIANA SPECIES OF CYLLENE. 



ff. Second joint of hind tarsus glabrous at middle; anteimje of male longer 

 than body; prosternum between the coxa? longer than wide. 



1010. PICTl'S. 



mi. Second joint of hind tarsus densely pubescent; antenme not longer than 



body. 



I). Basal third of elytra with three narrow yellow bands, the hindmost 

 one W-shaped ; prosternum as wide as the coxal cavity. 



1911. ROBINI.E. 



1>1>. Basal third of elytra orange yellow: prosternum not as wide at mid- 

 dle as coxal cavity. 1912. DECORUS. 



15)10 (0170). CYLLENE PICTUS Dairy. Ins., II, Ml?,, 91. 



Elongate, rather robust. Velvety black; head, thorax and elytra with 

 narrow yellow crossbands, the third one from base of elytra W-shaped, the 

 three behind it sinuous; legs reddish-brown. Thorax wider than long, sides 

 rounded. Prosternnm longer than wide, truncate at tip. Elytra tapering 

 behind the middle, obliquely truncate at tip but not prolonged. Length 12- 

 20 mm. 



Southern lialt' of State; frequent. April IS-April 2S. Occurs 

 on elm and hickory logs in spring. The larva* bore in the wood of 

 these trees and are often very destructive to the hickory. 



