HEMIPTERA HETEROPTERA. 139l 



Dull ochraceous, elliptical, flat, tliickly and minutely punctured, pale 

 yellowish benealli. Head more tlian one-foiiitli of the breadth of the 

 thorax; sides blackish ; lobes of exjual leiiji;th. Anteunie reddish, slender, 

 minutely pubescent; second joint much longer than the third; third as 

 long as the fifth, a little shorter than the fourlh. Thorax with a slight 

 keel, which is obsolete towards ihe hind border ; sides blackish, slightly 

 crenulated ; spines very acute, moderately prominent. Scutellum attenuated 

 towards the tip. Abdomen beneath with three black points on each side on 

 the fore borders of ihe third, fourlh and fifth segments ; ventral spine hardly 

 extending to the hind coxte. Legs slender ; fore tibiae with a spine beneath, 

 tore wings with a brown spot in the disk; membrane trauspareut-cine- 

 reous. Length of the body 5 lines. 



The spines of the thorax are much more acute than those of A. 

 pa Hi pes. 



a. Constancia. Presented by the Kev. H. Clark and by J. Gray, Esq. 



b. Petropolis. Presented by the Rev. H. Clark and by J. Gray, Esq. . , 



37. Arna submarginata. 



Saturate viridi-t, subtus teslacea vigro subulosa; caput lineolis duahua 

 liturisque duabus exlerioribus fulvis; anlennce nigra, graciles, 

 arliculo 5o albido ; thorax linea longitudinali liturisque nonnullis 

 transversis fulvis, lateribtis rn/is, spinis acutis oplime dvlerminatis ; 

 scutellum lituris duabus basalibus fulvis ; abdomen maculis lalera- 

 libus rujis, ventre maculis nigris trivittato ; pedes riiji ; alee anticcB 

 nigricaiiles, fuivo subnotaice. 



Dark metallic-green, elongate-oval, roughly punctured, testaceous 

 and black-speckled beneath, ilead less than one-fourth of the breadth of 

 the thorax; hind part with two short parallel longitudinal tawny lines and 

 with a tawny spot on each side by the eye ; lobes of equal length. Rostrum 

 tawny, piceous al the tip. AntenncE bl.ick, very slender, minutely pubescent, 

 tawny at the base ; second joint nearly twice the length of the third ; fourth 

 much longer than the third; fifth whitish, black at the tip, shorter thaQ 

 the fourth. Thorax with a tawny longitudinal line, and with some trans- 

 verse lawny marks about the slight transverse ridge near the fore border; 

 sides crenulated, bright red; spines acute, very prominent. Scutellum 

 with a little oblique tawny mark on each side at the base, attenuated, and 

 with a slight keel towards the tip. Abdomen with red spots along each 

 side above; underside with three rows of black dots, the dols of the middle 

 row successively increasing in size towards the tip ; ventral spine hardly 

 extending to the hind cox;e. Legs red, minutely setulose, rather slender; 

 tarsi piceous, except at the base ; fore tibia; with a spine beneath. Fore 

 wings blackish, minutely punctured, partly and irregularly tawny-marked ; 

 membrane a;neous-brown. Length of the body 5^ lines. 



The longer thoracic spines distinguish it from A. obsctira. 

 a. Tejuca, Rio Janeiro. Presented by the Rev. H. Clark. 



Africa. 

 38. Arma nanula. 

 Ferruqinea, aspere punctata, subtus nigra ; caput piceum ; thorax antiec 

 pirtus, ruqa lenui transversa, laleribus glabris, spinis piceis acutis 

 bene drtcrminatis ; abdomen inermc ; pedes fulvi, robusli, feuwribus 

 piceis basi fulvis, tibiis anlicis piceis. 



