HEMIPTERA IIETEROPTliRA. 117 



Genus 4. BLACHIA. 



Corpus l)revi-ovatnni, convexiim, nitens, sul)punctalum. Caput sub- 

 productuni, lobis icquiloiigis. Rostrum sat robustum. Antenna; <,fraciles, 

 subsetulosa;, corporis climidio lonj^iores ; arliculi 2o ad ouni lonfjitudine 

 subincrescentes. Scutum spinis duabus loiifris acutis armatum. Scutellum 

 latum, corium vix superans. Pedes vix robusti ; femora antica uuispinosa; 

 tibiae anticse valde dilatatae. 



Body sbort-oval, convex, shining;. Head about half ihe lenjjth and 

 about one-fiClh of the breadth of the thorax; the lobes of equal icnuth. 

 Rostrum moderately stout, extending to the bind coxae. Antenns slender, 

 very minutely selulose, rather more tlian balf the length of the body; 

 joints from the second to the fifth successively but very slightly increasing 

 in length. Thorax thinly and largely punctured ; scutum nearly twice 

 broader than long, forming an acute angle on each side of the fore border, 

 armed on each side by the fore wing with a long acute diverging spine. 

 Scutellum not much contracted hindward, hardly extending beyond the 

 corium of the fore wings. Legs hardly stout; fore femora with a spine 

 beneath near the lips: fore tibiae much dilated. 



This genus seems to connett the Sliretoides and the Aaopides, the 

 two groups into which the AsopidcB have been divided. It is most nearly 

 allied to Cazira. 



1. Blachia ducalis. 



Testacea ; caput purpurea bimaculatuin ; thorax purpurea quinque 

 maculatum ; scutellum purpurea quadrimaculatum ; pectus purpurea 

 sexmaculatum ; venter purpurea decemmaculatus ; alee anticce pur- 

 purea bimaculatcB, membrana perlucida fusca bivittata. 



Testaceous. Head with a small purple spot on each side of the hind 

 border. Scutum with five purple spots, of which two near the fore border 

 are much smaller than the other tliree near the hind border ; scutellum 

 with a very large purple spot on each side of the fore border, and with a 

 purple spot on each side of the disk. Pectus with three purple spots on 

 each side. Abdomen beneath on each side with an inner stripe of three 

 purple spots and an outer stripe of two purple spots. Fore wings with a 

 large purple spot joining the middle of the costa and a smaller apical 

 purple spot ; memlirane colourless, with two broad brown streaks, one capi- 

 tate, the other brown. Hind wings brown. Length of the body 5 lines. 



a. Siam. From M. Alouhot's collection. 



Genus 5. CAZIRA, C. H. 82. 



1. Cazira veuuucosa, C. //. 82. 



a — d. Hindostan. Presented by General Hardwicke. 

 e. Malabar. Presented by the Entomological Club. 

 f,g. North Hindostan. From Captain Boys' collection. 

 h, i. Hindostan. Presented by J. C. Bowring, E^q. 

 j. Hindostan. 



k, I. Siam. Presented by W. W. Saunders, Esq. 

 m. Cambodia. Prescnte'd by W. W. Saunders, Esq. 

 H. CLimbodia. From M. Mouhol's collection. 



