HEMIPTEKA HETEHOPTERA. 57 



with two minute subapical spines. Hind femora slightly incrassated. 

 Hind tibias a little shorter than the hind femora, much dilated above, 

 slightly dilated beneath; the dilated part convex above, straight and 

 forming a very obtuse an^le near the base beneath. Fore wings with the 

 veins of the corium brownish ; membrane cEueous-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. Antenna; not dilated. 



a. Sides of the prothorax much dilated. 



* Fourth joint of the aiilenncE luteous. - - - spinipes. 

 ■** Fourth joint of the anteunaB black. - - - palulus. 



b. Sides of the prothorax hardly dilated. 



* Body dark. ------ terminalis. 



** Body pale. ------ pallens. 



B. Second and third joints of the antennae dilated. - dilaticornis. 



1. PlEZOGASTER TERMINALIS. 



Physomerus terminalis, C. H. 412 — Phelaus terminalis, Stal, [Hem. Afr. 

 ii. 52. 



a. South 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. Gueiuzius' collection. 



2. PlEZOGASTER SPINIPES. 



Physomerus spinipes, C. H. 412 — Phelaus spinipes, Stal, Hem. Afr. ii. 51. 

 a. West Africa. Presented by B. Frend, Esq. 



3. PlEZOGASTER PATULUS. 



Mas et foera. Niger, piceus aut fidmis ; antennce corpore multo breviores, 



articulo 4o nonnunquam fulvo ; prothorax scaber, angulis posticis 



laiis dilatalis valde rolundatis ; abdomen di lata turn ; femora 



incrassata ; tibia: posticm maris dimidio basali subdilatato ; tarsi et 



fam. tibia: quatuor anteriores fulva ; membrana nigra. 



Male and female. Black or piceous or tawny. Head small; its 



length sliglitly exceeding its breadth. Eyes ratlier prominent. Third 



joint of the rostrum a little shorter than the second and than the fourth, 



which rests in a groove between the fore coxaj and the middle cox^. 



Antenna! 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 



