264 INSECTA SAUNDERSIANA. 



bb. Second feeler-joint short; tliird furcate Schizotachina, n. 



convecta, exiil. 

 a a. Fifth feeler-joint short. 



b. Sixth feeler-joint short, stout. 



insolita. 

 b b. Sixth feeler-joint long, slender. 



c. Prffibrachial vein forming a slightly acute angle at its flexure. 



grandis. 

 c c. Praebrachial vein forming a hardly acute angle at its flexure. 



d. Sixth feeler-joint bare. 



australis. 

 d d. Sixth feeler-joint pubescent. 



squamata. 

 c c c. Preebrachial vein forming a right angle at its flexure. 



d. Sixth feeler-joint bare. 



e. Third feeler-joint much longer than the second. 



ruficornis. 

 e e. Third feeler-joint much more than twice the length of the second. 

 /. Facialia without bristles. 



concisa. 

 //. Facialia bristly along half the length. 



remota. 

 eee. Third feeler-joint full four times the length of the second. 



basalis. 

 dd. Sixth feeler-joint pubescent. 



lucifera. 

 cccc. Praebrachial vein forming an almost right angle at its flexure. 

 d. Third feeler-joint less than twice the length of the second. 



ornata. 

 d d. Third feeler-joint not less than twice the length of the second. 



albifrons, latifrons, nigrorufa, atrata, socia, fuliginosa. 

 d d d. Third feeler-joint full four times the length of the second. 



proxima, tincta. 

 d d d d. Third feeler-joint six times the length of the third. 



imbuta. 

 cc c c c. Prsebrachial vein forming a hardly obtuse angle at its flexure. 

 d. Third feeler-joint less than thrice the length of the second ; sixth bare. 



deusa, hebes. 



