446 Mr. Westwood's characters of 



rufae, annulo albo. 



Long. Corp. (hemelytris inclusis) lin. 5. 



Tab. XXII. Fig. 7. 

 Habitat in Malabaria. 

 In Mus. nost. 



Heteroptera. Fam. LygceidcR. 

 Platydius*, Westw. 



Megymenum, Guer., habitu quodammodo simulans. Corpus oblongo- 

 ovatum, subdepressura. Antennae sub capitis raarginibus insertee, vix 

 thoracis longitudine, 4-articulatae, articulo Imo brevi, 2do magno 

 dilatato elongato-ovato, depresso, 3tio minori, ultimo vix magni- 

 tudine articuli primi, acuminato. Caput planum lateribus elevatis 

 postice in collum contractum : oculis magnis ; ocellis duobus. Rostrum 

 4-articulatum, ad basin pedum intermediorum extensum, articulo secundo 

 longiore. Thorax transverso-quadratus, antice utrinque, pone oculos, 

 uni-spinosus, lateribus dilatatis, irregulariter serratis ; scutellum vix abdo- 

 minis dimidii longitudine, postice subcordatum. Hemelytra abdo- 

 minis margines serratos baud 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 vi^ell 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 hemelytrorura fusco-purpureis, 

 membrana apicali fulvescente, hac obscur^ nervosa; antennis pedibusque 

 nigris. Corpus subtus purpureum. 



Long. Corp. lin. 7j. Latit. abdominis lin. 4. 

 Tab. XXII. Fig. 8. 



Habitat in Java. 



In Mus. nost., &c. 



* UXarvc planus. 



