446 Mr. Westwood’s characters of 
rufe, annulo albo. 
Long. corp. (hemelytris inclusis) lin. 5. 
Tas. XXII. Fig. 7. 
Habitat in Malabaria. 
In Mus. nost. 
HETEROPTERA. Fam. Lygeide. 
Prartrypius*, Westw. 
Megymenum, Guer., habitu quodammodo simulans. Corpus oblongo- 
ovatum, subdepressum. Antenne sub capitis marginibus inserte, vix 
thoracis longitudine, 4-articulate, articulo l1mo brevi, 2do magno 
dilatato elongato-ovato, depresso, 3tio minori, ultimo vix magni- 
tudine articuli primi, acuminato. Caput planum lateribus elevatis 
posticé in collum contractum: oculis magnis; ocellis duobus. Rostrum 
4-articulatum, ad basin pedum intermediorum extensum, articulo secundo 
longiore, Thorax transverso-quadratus, anticé utrinque, pone oculos, 
uni-spinosus, lateribus dilatatis, irregulariter serratis ; scutellum vix abdo- 
minis dimidii longitudine, posticé subcordatum. Hemelytra abdo- 
minis margines serratos haud obtegentia, membrana apicali magna 
nervosa. 
The Edessa brevicornis of Fabricius is referrible to this genus, and 
may be considered as its type. In the species above described the 
intermediate as well as the anterior femora are toothed beneath. The 
genus comprises several distinct species, all of which appear to be 
inhabitants of the South-eastern parts of Asia. 
Sp. 1. Plat. subpurpurascens, Westw. 
Capite, thorace, scutello, corioque hemelytrorum fusco-purpureis, 
membrana apicali fulvescente, hac obscuré nervosa; antennis pedibusque 
nigris. Corpus subtus purpureum. 
Long. corp. lin. 73. Latit. abdominis lin, 4. 
Tas. XXII. Fig. 8. 
Habitat in Java. 
In Mus. nost., &c. 
* TlXarve planus. 
