HEMIPTERA HF.THROPTERA. 457 



Genus 5. APLOSTERNA, C. H. 3.37. 



1. APLOSTERMA VIRESCENS, C. H. 338. 



a, b. Siena Leone. Presented by the Rev. D. F. Morgan, 

 c, d. Gambia. From Mr. Randall's collection. 



Genus 6. PIEZOSTERNUM, C. H. 338. 



1. PlEZOSTERNUM M UCKONATO M, C. H. 338. 



Old Calabar. Gabon. 



a, &• Congo. Presented by Sir J. Richardson. 



c. West Africa. From M. Du Chailln's collection. 



d. Natal. From M. Gueinzius' collection. 



e. ? 



2. PlEZOSTERNUM SUBULATUM, C. //. 338. 



Brazil. 



a. ? Presented by Sir E. Belcher. 



b, e. ? 



f/, e. St. Domingo. From Mr. Tweedie's collection. 



3. PlEZOSTERNUM ThUNBERUI. 



Thunbergi, Slat, Rio Jan, Hem. 28. 

 Rio Janeiro. 



4. PlEZOSTERNUM RETRACTUM. 



Lutescens, longissime ovale, densissime el sublilissime punc latum ; antenna; 

 nigra, basi leslacea ; thorax postice viridescens , angulis posticis pro- 

 duces aculis apice nigris ; scutellum valde altenualum, carina turn, 

 basi testaceo binotatum ; carina pecloralis picea, obtusa,apicein versus 

 rufa et cowpresna ; pedes picei ; ala anlica subviridescentes. 



Dull luteous, very elongate-oval. Head, thorax, scutellum and fore 

 wings very thickly and minutely punctured. Rostrum extending beyond 

 the fore coxa?; lip black. Antennas less than half the length of the body ; 

 first, second and third joints testaceous; third blackish at the base and at 

 the tip, much shorter than the second ; fourth and fifth black ; fourth tawny 

 at the base, about four times the length of the third ; fifth a little shorter 

 than the fourth. Thorax with a smooth band in front and with an 

 extremely slight keel; hind part dull green; hind angles forming two 

 broad acute horns, which have black lips and are shorter than their breadth 

 at the base; hind side straight, extending over the base of the scutellum. 

 Scutellum much attenuated, very acute, with a pale testaceous callus on 

 e.uh basal angle and with a distinct keel. Sternal keel piceous, red and 

 compressed towards the tip, which is obtuse, hardly extending to the fore 

 coxa.', not notched at the base. Abdomen with black spots along each side 

 above; hind angles id' the segments forming short spines, those of tin- 

 apical segment not extending so far as the anal appendage. Legs tes 

 laceous. Fore wings with a very slight green tinge in front ; membrane 

 a neous-grctn. Length id' the body '.» lines. 



