78 WALLACE ON DIPTERA OF ARU ISLANDS. 



Fam. TIPULID^. 



Q-en. Megistoceea, Wied. 



4. Megistocera tuscana, Wied. Auss. Zweifl. 1. 55. 1. 

 Inhabits also Java. 



Gren. GrYNOPLiSTiA, Westw. 



6. Gynoplistia jurgiosa, n. s. Mas. et Fam. Nigra, capite rufes- 

 cente, alis cinereis, plagis costalibus nigro-fuscis. — Mas. Abdomine 

 ochraceo, apice nigro, femoribus basi testaceis. — Foem. Abdomine atro 

 fasciis albidis apice luteo. 



Male and Female. Black. Head reddish ; antennae testaceous at the 

 base ; thorax testaceous in front ; wings greyish, blackish-brown 

 along the costa, and with three subcostal blackish -brown patches, the 

 third continued along the veins towards the hind border. Male. 

 Abdomen ochraceous, black at the tip; femora testaceous at the 



. base ; halteres testaceous. Female. Abdomen deep black, with 

 whitish bands on the sutures ; tip luteous. Length of the body 5-6 

 lines ; of the wings 9-10 lines. 



Fam. STEATIOMID^, Haliday. 

 Gen. Ptilocera, Wied. 



6. Ptilocera quadridentata. See Vol. I. p. 7. 



7. Massicyta inflata, n. s. Fcem. Nigra, capite viridi maculis nigris, 

 antennis basi ferrugineis, pectoris callis duobus scutelloque testaceis, 

 abdomine basi sordide albido lineis tribus nigris, fasciis duabus cano- 

 tomentosis, segmentis tertio quartoque apice ferrugineis, tibiis basi 

 tarsisque albidis, alis subcinereis fusco marginatis, stigmate nigri- 

 cante, halteribus testaceis. 



Female. Black. Head dull green, with several black spots; mouth 

 testaceous ; antennae dark ferruginous towards the base ; two pec- 

 toral calli and the scutellum testaceous ; abdomen at the base dingy- 

 whitish and semihyaline, and with three black lines ; third and fourth 

 segments with hoary bands, their hind borders ferruginous ; tibiae 

 towards the base, and tarsi, whitish ; hind tibiae with the two colours 

 most .distinctly marked ; wings grey, with broad brownish borders ; 

 stigma blackish ; veins black ; halteres testaceous. Length of the 

 body 6 lines; of the wings 11 lines. 



8. Massicyta cerioi'des, n. s. Foim. Nigra, capite testaceo maculis 

 nigris, antennis basi ferrugineis, pectoris callis duobus, thoracis vittis 

 duabus interruptis, sciitello abdominisque fasciis tribus viridibus, 

 segment© abdominali secundo maculis duabus testaceis, tarsis albis, 

 alis nigricanti-fuscis, lialteribus viridibus. 



