HEMIPTERA. 4?5 



terior angles forming a small spine on each side of the base of 

 the scutellura. Scutellum yellow, with the sides brownish. Co- 

 riaceous portion of the elytra testaceous, thickly punctured with 

 pale brown ; membrane brownish, transparent. Wings transpa- 

 rent, colourless. Abdomen above pitchy black, with the margins 

 yellow, and with two more or less distinct reddish testaceous 

 spots on the posterior margins of the third and fourth segments. 

 Abdomen beneath yellow, smooth and shining, with a dark brown 

 or blackish line down each side within the stigmata. Breast 

 brown ; antepectus punctured ; a broad yellow band, margined 

 with black on both sides on the antepectus, on the inside on the 

 other two segments, running from the apex of the head to the 

 posterior angles of the breast; metasternum, and two minute 

 tubercles on the postpectus placed close to the insertion of the 

 posterior legs, yellow. Anterior and intermediate thighs reddish 

 brown ; tibiae and tarsi testaceous ; posterior legs reddish brown ; 

 thighs darker, with a row of small spines beneath, the two apical 

 ones serrated ; tibia3 with an indistinct pale band near the apex ; 

 tarsi blackish at the tips. Rostrum testaceous, with the tip black. 

 Antennae pale reddish brown ; second joint distinctly shorter than 

 the third ; fourth joint dusky fulvous. 



a. New Holland. Presented by Sir John Richardson, M.D. 



b. Swan River. Presented by Sir John Richardson, M.D. 



17. ALYDUS annulicornis, 



Alydus annulicornis, Guer. Voy. Coq. Zool. ii. Ins. 177; AtL pi. 12. 



fig. 11 (1830). 



Alidus annulicornis, Boisd. Voy.Ast. ii. 636. pi. 11. fig. 143 (1835). 

 a. New Holland. Presented by Sir John Richardson, M.D. 



18. ALYDUS incarnatus. 



Hypselopus incarnatus, Erichs. Arch, fur Naturg. viii. 278. 263 ? 

 (1842). 



a. New Holland. Presented by Sir John Richardson, M.D. 



19. ALYDUS obscuricornis, n. s. 



A. fuscus, opacus, punctatus; thorace spinoso, spinis nigris; 

 capite nigricanti, subtus nigro, fascia utrinque flava ; pectore 

 fascia utrinque flava, nigro-marginata, disco nigro ; abdominis 

 lateribus flavis, disco aeneo-nigro, maculis 2 flavis ; antennarum 

 articulis 1 et 2, apiceque tertii nigricantibus, tertio basi, quarto- 

 que fulvis. ? . 

 Long. lin. 6. 



Brown, opaque, clothed with fine whitish hairs. Head dark 

 brown, with the sides blackish; beneath black, with a yellow 



