HEMIPTERA. 329 



vibus, nigris, subrecurvis; elytris puncto medio albo, mem- 

 brana fuscescenti-hyalina ; corpore subtus virescenti-lutea, su- 

 turis nigris. ? . 

 Long. lin. 9, lat. hum. 5|. 



Head, thorax and scutellum greenish, very thickly covered 

 with black punctures. Eyes globose, black; ocelli red. Thorax 

 with the lateral angles produced into short, subacute, black 

 spines, which are slightly recurved at the apex. Scutellum with 

 the apex whitish, subacute. Coriaceous portion of the elytra 

 testaceous, covered with black punctures, with a black patch on 

 the disc a little behind the middle, in which is a small white 

 point ; membrane brownish, semitransparent, darker at the base, 

 with the inner basal angle black. Margins of the abdomen 

 banded with black and green. Body beneath greenish yellow, 

 with the antepectus thickly punctured with black, and a few 

 black punctures on the sides of the abdomen. Abdomen with a 

 central longitudinal line, the lateral margins, the margins of the 

 vulvar plates, the sutures, and a short transverse line on each 

 side of each segment, near the stigmata, black. Breast with 

 some black lines on the sutures. Legs and rostrum testaceous. 

 Antennae whitish, with their second joint a very little longer 

 than the third. 



a. Para. From Messrs. Wallace and Bates's Collection. 



23. EDESSA luteicornis. 



Pentatoma luteicornis, LeP. fy Serv. Enc. x. 55. 10 (1825). 

 Edessa quadridens, Burm. Handb. ii. 355. 6 (1835). 

 Hypoxys quadridens, Am. fy Serv. Hem. 157. 1 (1843). 

 Stall, Pun. 81. pi. 20. fig. 137. 



a. Venezuela. From Mr. Dyson's Collection. 



24. EDESSA quadridens. 



Edessa quadridens, Fab. S. R. 148. 13 (1803). 

 a. Demerara. 



25. EDESSA collaris, n. s. 



E. praecedenti valde affinis, virescenti-lutea, punctata; humeris 

 prominulis ; thorace antice flavo, linea transversa viridi ; ely- 

 tris testaceis, fusco-maculatis, margine virescenti. ? . 

 Long. lin. 6-7. 



Yellowish green, shining. Thorax with the lateral angles 

 slightly prominent ; the anterior half yellow, with a green trans- 

 verse line a little before the middle. Coriaceous portion of the 

 elytra testaceous, punctured with brown, and with a large brown 



