HEMIPTERA. 5 



a. Body ovate, broad. 



** Head large, longer than 



broad, rounded in front. .15. MACRAULAX, 

 tt Head small, triangular, 



nearly equilateral, pointed 



in front 17. SYMPHYLUS, 



b. Body elongate 20. ALPHOCORIS. 



j3. Base of antennae concealed by 



the produced anterior margin of 



the breast. 



* Lateral angles of the thorax 



very prominent and acute . . 18. HOTEA. 

 t Lateral angles of thorax ob- 

 tuse 19. ODONTOTARSUS. 



2. Sexual organs concealed by the 



apical segment of the abdomen . . 21. AGONOSOMA. 



Genus 1. COLEOTICHUS. 



Cimex, p., Fab. Ent. Syst. iv. (1794). 



Tetyra, p., Fab. Syst. Rh. (1803); Germ. Zeits. i. (1839). 



Coleotichus, White, Ent. Trans, ul 88 (1842). 



L COLEOTICHUS costatus, 



Cimex costatus, Fab. E. S. iv. 87. 28 (1794); Don. South Sea 



Ins. Hem. pi. 3. fig. 5 (1805). 

 Tetyra costata, Fab. S. R. 135. 34 (1803); Germ. Zeits. i. 74. 



4 (1839). 



a. New Holland. From Mr. Children's Collection. 



b. New Holland, North Coast. Presented by Sir John 



Richardson, M.D. 



2. COLEOTICHUS unicolor, n. s. 



C. pallide olivaceus, punctatus, immaculatus, antennis ferru- 

 gineis. 

 Long. lin. 7- 



Entirely pale olive-green, above yellowish. Head very finely 

 punctured near the lateral margins and with two rows of fine 

 punctures on the central lobe ; eyes and ocelli red. Thorax and 

 scutellum very thickly and finely punctured ; thorax with a red- 

 dish streak on each side near the antero-lateral margins ; scu- 

 tellum with a raised longitudinal line in the centre, its lateral mar- . 

 gins waved, and the apical portion narrowly margined with black. 

 Abdomen smooth, shining, very faintly punctured ; each segment, 

 except the last, bearing a small punctured violet spot on each 



