HEMIPTERA HETEROPTERA. 
57 
with two minute subapical spines. Hind femora slightly incrassated. 
Hind tibiae a little shorter than the hind femora, much dilated above, 
slightly dilated beneath ; the dilated part convex above, straight and 
forming a very obtuse anglo near the base beneath. Fore wings with the 
veins of the corium brownish ; membrane aeneous-cinereous. Length of 
the body 10 lines. 
a. Aru. Presented by W. W. Saunders, Esq. 
Genus 11. PIEZOG ASTER. 
Piezogaster, Serv. Hist. Hem. 197 — Physomerus, Group 1, C. H. 412 — 
Phelaus, Stal, Hem. Afr. ii. 49. 
A. Antennae not dilated. 
a. Sides of the prothorax much dilated. 
* Fourth joint of the antennae luteous. - 
** Fourth joint of the antennae black. 
b. Sides of the prothorax hardly dilated. 
* Body dark. - 
** Body pale. - 
B. Second and third joints of the antennae 
1. Piezogaster tei 
Physomerus terminalis, C. H. 412 — Phelaus terminalis, Stal, [Hem. Afr. 
ii. 52. 
a. South Africa. Presented by the Earl of Derby in 1843. 
h — cl. South Africa. Presented by Sir A. Smith. 
e. Cape. From M. Drege’s collection. 
/, g. Natal. From M. Gueiuzius’ collection. 
ilated. 
spinipes. 
patulus. 
terminalis. 
pallens. 
dilaticornis. 
IINALIS. 
2. Piezogaster spinipes. 
Physomerus spinipes, C. H. 412 — Phelaus spinipes, Slal, Hem. Afr. ii. 51. 
a. West Africa. Presented by B. Frend, Esq. 
3. Piezogaster patulus. 
Mas et fcEm. Niger, picetis aut ftilvus ; antennce corpore multo hreviores, 
articulo 4o nonnunquam fulvo; prolkorax scaber, angulis posticis 
latis dilatatis valde rolundalis ; abdomen dilatalum ; femora 
incrassata ; tibia; posticce maris dimidio basali subdilatato ; tarsi et 
fcem. tibia 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 coxae and the middle coxae. 
Antennae 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 
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