of some apecies of Chrijsomela, ^'c. 193 



in $ tai'sorum anticorum qiiatuor pul vlnis integris ; articulis 

 secundo et tertio iit in Clirysomeld formatis. 



Three species belong to the above genns, whicli is 

 purely Asiatic, and is well separated from Chrysomela hy 

 the peculiar structure of the larsi. 



A. Corpus apterum. 



1. Crosita altaica, Gobi. Mem. Mosc. 1823, p. 117 



( Clirysomela). 



Cli. insignis, Fischer, Cat. Col. Karal. 1843, p. 20. 

 Ilah. — Altai, Turcomania. 



2. Crosita Faldermanni, Krynick. Bull. Mosc. 1832, 



p. 170 i^Chri/somela). 



Cli. Maximovitsclii, Zubkoff. Bull. Mosc. 1833, 

 p. 337. 

 Hah. — Turcomania. 



B. Corpus alatum. 



3. Ci'osita caalestina. 



Elongata, subparellcla, subtus nigro-ca3rulea, supra 

 metallico-cterulea, nitida, thorace transverso, lateribus 

 rotundatis ; disco minus crebre punctate, intra marginem 

 lateralem profunde longitudinaliter sulcato, margine ipso 

 incrassato ; elytris thorace latioribus, oblongo-ovatis, fortiter 

 punctato-striatis, striis bifariam dispositis, interstitiis sat 

 fortiter, subcrebre punctatis. 



Mas. — Abdominis apice obtuse truncato ; telo robusto, 

 rcgulariter curvato, apice obtuse truncato ; tarsorum anti- 

 corum articulis modice dilatatis, pulvillis integris. 



Long. 4 — 4i lin. 



Hah. — Northern China, India, Persia. 



Head remotely punctured ; front impressed on either 

 side, just above the clypeus, with a shallow coarsely-punc- 

 tured fovea ; clypeus depressed, more closely punctured 

 than the upper face ; apical joint of maxillary palpus not 

 broader than the j^enultimate, subovate, its apex obtuse ; 

 antennas filiform, less than half the length of the body. 

 Thorax twice as broad as long ; sides rounded, converging 

 at base and apex, the anterior angles subacute ; disk mode- 

 rately convex, distinctly and somewhat closely punctured ; 



o2 



