HEMIPTERA HETEROPTERA. 57 
with two minute subapical spines. Hind femora slightly incrassated. 
Hind tibie a little shorter than the hind femora, much dilated above, 
slightly dilated beneath; the dilated part convex above, straight and 
forming a very obtuse angle near the base beneath. Fore wings with the 
veins of the corium brownish; membrane eneous-cinereous. Length of 
the body 10 lines. 
a. Aru. Presented by W. W. Saunders, Esq. 
Genus 11. PIEZOGASTER. 
Piezogaster, Serv. Hist. Hem. 197—Physomerus, Group 1, C. H. 412— 
Phelaus, Stal, Hem. Afr. ii. 49. 
A. Antenne not dilated. 
a. Sides of the prothorax much dilated. 
* Fourth joint of the antennz luteous. - - - spinipes. 
** Fourth joint of the antenne black. - - - patulus. 
b. Sides of the prothorax hardly dilated. 
* Body dark. - - - - - terminalis. 
** Body pale. - - - - - - pallens. 
B. Second and third joints of the antenne dilated. - dilaticornis. 
1. PIrEZOGASTER TERMINALIS. 
Physomerus terminalis, C. H. 412—Phelaus terminalis, Stal, |Hem. Afr. 
il. 52. 
a. Sonth Africa. Presented by the Earl of Derby in 1843. 
b—d. South Africa. Presented by Sir A. Smith. 
e. Cape. From M. Drege’s collection. 
f,g. Natal. From M. Gueinzius’ collection. 
2. PIEZOGASTER SPINIPES. 
Physomerus spinipes, C. H. 412—Phelaus spinipes, Stal, Hem. Afr. ii. 51. 
a. West Africa. Presented by B. Frend, Esq. 
3. PIEZOGASTER PATULUS. 
Mas et fem. Niger, piceus aut fulvus ; antenne corpore multo breviores, 
articulo 40 nonnunquam fulvo; prothorax scaber, angulis posticis 
latis dilatatis valde rotundatis; abdomen dilatatum; femora 
incrassata ; tibia postice maris dimidio basali subdilatato ; tarsi et 
foem. tibie quatuor anteriores fulva ; membrana nigra. 
Male and female. Black or piceous or tawny. Head small; its 
length slightly exceeding its breadth. Eyes rather prominent. Third 
joint of the rostrum a little shorter than the second and than the fourth, 
which rests in a groove between the fore coxe and the middle coxe. 
Antenne much shorter than the body ; first and second joints nearly equal 
in length; third shorter than the second; fourth sometimes tawny, very 
little longer than the third. Prothorax scabrous; longitudinal furrow very 
I 
