HEMIPTERA. 89 



Genus 9. CANTHECONA. 



Pentatoma, p., Pal. Beauv. Ins. (1805). 

 Asopus, p., H. Schaff. Wanz. vii. (1844). 



1 . CANTHECONA Yolofa. 



Pentatoma Yolofa, Guer. Ic. R. A. Ins. pi. 65. fig. 2 (1830). 

 Asopus figuratus, Germ. Silb. Rev. Ent.\. 185. 132 (183?); H. 



Schaff. Wanz. vii. 113 & 118. t. 225. fig. 710 (1844). 

 Canthecona Yolofa, Am. fy Serv. Hem. 82. 2 (1843). 



a. S. Africa. Presented by Dr. Andrew Smith. 



b. Port Natal. From Dr. Krauss's Collection. 



2. CANTHECONA marginella, n. s. 



C. supra chalybea, punctata, hemelytrorum membrana nigricante; 

 abdomine violaceo, marginibus rubris; pedibus antennisque 

 nigris. $ . 

 Long. lin. 5. 



Above steel-blue, shining, thickly and strongly punctured. 

 Eyes brown ; ocelli red. Thorax with the lateral angles produced 

 into short acute spines, faintly toothed behind ; the disc with a 

 slightly elevated longitudinal line down the centre, and a short 

 line on each side of this and parallel to it near the anterior 

 margin. Scutellum with an indistinct, elevated longitudinal line 

 continuous with that on the thorax. Coriaceous portion of the 

 elytra tinged with green, more finely punctured than the rest of 

 the surface; membrane blackish brown, with the margin semi- 

 transparent. Margins of the abdomen, both above and beneath, 

 bright red. Body beneath violet-blue, shining, thickly and rather 

 strongly punctured. Abdomen with the disc very finely and 

 sparingly punctured ; a dull spot on each side of the fourth and 

 fifth segments, near the centre, clothed with brown hairs ( $ ). 

 Legs violet-black, with the base of the thighs testaceous. Ros- 

 trum brownish testaceous, with the apical joint brown. Antennae 

 black (two apical joints wanting). 



a. Sierra Leone. Presented by the Rev. D. F. Morgan. 



3. CANTHECONA caerulea, n. s. 



C. cserulea, viridi-nitens, punctata; rostro testaceo, basi apiceque 

 fusco. c? . 

 Long, lin, 5. 



Deep blue, shining, tinged with brassy green, thickly punc- 

 tured. Eyes brow r n ; ocelli yellow. Thorax with the lateral an- 

 gles very prominent and acute, the antero-lateral margins crenu- 

 lated ; the surface thickly and strongly punctured, with a slightly 



