158 HEMIPTERA, 



at each anterior angle ; the surface coarsely rugose-punctate, the 

 anterior portion dark brown, the lateral angles yellowish. Scu- 

 tellum with a small yellow dot in each basal angle, and a larger 

 one in the centre of the base. Coriaceous portion of the elytra 

 with a small yellow dot on the disc a little behind the middle ; 

 membrane pale brown. Abdomen beneath yellowish brown, 

 thickly punctured with dark brown; central furrow broad, 

 smooth, impunctate, reaching the penultimate segment. Breast 

 testaceous, variegated with blackish brown punctures. Legs 

 yellowish brown ; thighs with a brown ring ; tibiae brown at base 

 and apex. Antennae pale brown, with the three basal joints 

 blackish ; fourth and fifth joint? paler at the base. Rostrum 

 very long, reaching nearly to the posterior margin of the penul- 

 timate segment of the abdomen, pale brown. 



0. Columbia. From Dr. Cuming's Collection. 



Genus 4. MACROPYGIUM. 



Macropygium, Spin. Hem. 287 (1837). 

 Oxyrhinus, Am. $ Serv. Hem. 113 (1843). 

 Ochlerus, p., H. S chaff. Wanz. vii. (1844). 



* Terminal segment of the abdomen in the female very large, 

 much produced towards the base of the belly the centre of 

 its basal margin reaching the centre of the abdomen. Sexual 

 organs in the same sex very largely developed. Male un- 

 known. (MACROPYGIUM, Spin.) 



1. MACROPYGIUM atrum. 



Macropygium atrum, Spin. Hem. 288 (183?) ; H. Sch. Wanz. vii. 



48 (1844). 

 Pentatoma bifida, Hope, Cat. 43 (1837). 



a. Columbia? 



b. Columbia. From M. Goudot's Collection. 



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



f Terminal segment of the abdomen in the female not larger than 

 usual, its basal margin not produced towards the base of 

 the abdomen. Sexual organs smaller than in the preceding 

 section, although rather largely developed, (OXYRHINUS, 

 Am. fy Serv.) 



2. MACROPYGIUM subsulcatum. 



Oxyrhinus subsulcatus, Am. fy Serv. Hem. 113. 1. pi. 12. 

 (1843). - 



a. British Guiana. Presented by Sir Robert Schomburgk. 



