144 Mil. r. AVALKEU ON HOMOPTERA 



front of the middle, adorned with several elongated white points ; 

 transverse veins forming three or four very irregular series and one 

 exterior regular and continuous line. Hind wings with a cluster of 

 white dots in the disk ; hind border irregularly white. Length of 

 the body 5 lines, of the wings 15 lines. 

 . Hub. Morty. 



167- RiCANiA CALIGINOSA. Focm. Nigra, capitis margiuibus rufis, 

 fronte carinis tribus rufis, facie rufa unicariuata, thorace rufo-margi- 

 nato ; prothorace unicarinato j mesothorace tricarinato, pedibus pal- 

 lide rufescentibus, alis nigricantibus, alis anticis venis longitudina- 

 libus plurimis, lineis quinque e venis transversis. 



Female. Black. Head with red and slightly prominent borders; 

 vertex short, mostly covered by the prothorax ; front nearly twice 

 as broad as long, with three red keels; the keel on each side curved 

 outward, not extending to the fore border; face red, with one keel. 

 Thorax red-bordered. Prothorax arched, more than six times as broad 

 as long, attenuated on each "side, with one keel. Mesothorax 

 long, with three keels, the keel on , each side diverging hindward 

 from the middle one. Legs pale reddish. Wings ample, blackish. 

 Fore wings with very numerous veins ; transverse veins forming five 

 lines ; of these the fourth is more regular than the three preceding, 

 but less regular than the fifth, which is submarginal ; costal transverse 

 veins numerous, regular; a few forked marginal veins. Hind 



• wings with a few forked marginal veins, and a few transverse veins. 

 Length of the body 4-i lines, of the wings 14 lines. 



Hab. Aru. 



1G8. RiCANiA SIMPLEX. Focm. Nigra, fronte tricarinata, facie testacoa, 

 prothorace unicarinato ; mesothorace quiuquccarinato, pedibus tes- 

 taceis, alis anticis piceo-nigris aeneo bifasciatis macula costali alba, 

 alis posticis obscure fuscis venis marginalibus duabus furcatis. 



Female. Black. Head piceous, with slightly prominent borders; ver- 

 tex very short ; front very much broader than long, rounded on each 

 side, with three keels, the middle keel not extending to the vertex 

 nor to the face, the keel on each side much curved, extending to the 

 vertex, but not to the face ; face testaceous. Prothorax slightly 

 arched, four times as broad as long, with one keel, hiding part of 

 the vertex. Mesothorax with five keels, the inner pair connected in 

 front, the outer pair very short. Legs testaceous. Fore wings 

 jjiceous black, with two seneous bands, of which one is postmedial 

 and the other marginal ; a white elongated dot on the costa beyond 

 the middle ; transverse veins irregular, excepting some which form 

 two complete lines beyond the rest ; transverse costal veins parallel, 

 very few of them forked; apical veins forked. Hind wings dark 



