HETEROMERA. 



35 



1. Spurs of posterior tibiae very large. 



A. Antennae abort and stout, with rather strong, 

 but gradual, fusiform club; maxillary palpi ser- 

 rate, with the last joint very large, strongly securi- 

 form 



B. Antennae longer, more or less slender, with the 

 last joints gradually thickened ; maxillary palpi 

 not serrate, with the last joint moderately large, 

 almost ovate 



2. Spurs of posterior tibiae small 



ii. Anterior coxae contiguous. 



1. Antennas 10-jointed 



2. Antennae 11-jointed. 



A. Posterior coxae distant ; frontal suture distinct ; 

 anterior trochantins distinct ; head inclined, but 

 not vertical ..." 



B. Posterior coxae contiguous ; frontal suture not 



distinct ; head inflexed, often vertical. 



a. Prosternum very short and excavated before 



anterior coxa. 

 a*. Antennae with the third joint not twice as 



long as second ; penultimate joint of tarsi 

 entire or almost entire. 



at . Mesosternum short between intermediate 

 coxae, which are contiguous at apex ; third 

 joint of antennae very small 



bf. Mesosternum as long as intermediate 



coxae, which are not contiguous at apex ; 



third joint of antennae larger, at least as 



long as fourth joint, and usually longer . 



b*. Antennae with the third joint twice as long 



as second ; penultimate joint of tarsi bilobed 



b. Prosternam long or comparatively long before 



anterior coxae. 



a*. Mesosternum short between intermediate 

 coxae, which are contiguous at apex ; antennae 

 with the third joint a little longer than fourth ; 



elytra without striae 



b*. Mesosternum as long as intermediate coxae, 

 which are not contiguous at apex ; antennae 

 with the third joint equal to or shorter than 



fourth. 



at- MaxLlary palpi with the fourth joint very 

 broad, much broader than the second and 

 third joints ; elytra with more or less dis- 

 tinct striae 



bf. Maxillary palpi with the fourth joint 

 scarcely broader than the second and third 

 joints ; elytra without distinct stria? . . . 

 II. Tarsal claws split or toothed ; mesosteruum short be- 

 tween intermediate COXSB, which are contiguous at apex ; 

 male with the posterior femora usually thickened . . . 



ORCHESIA, Lair. 



CLIXOCABA, Thorns. 

 HALLOJTBXUS, Pan*. 



COXOPALPBS, Gyll. 



MELAXDRTA, F. 



AXISOXYA, Mule. 



ABDERA, Steph. 

 PHIXEOTRTA, Steph. 



XTLITA, Paylc. 



ZitORA, Muls. 

 HYPCLUS, Paylc. 

 OSPHYA, III. 



ORCHESIA, Latreille. 



This genus, .taken in its wide sense as including Clinocara, contains 

 about twenty-five species, which are found in Europe, North America, 



