ME. WALKER OK DIPTEEA COLLECTED IN AMBOTNA. 145 



Female. Ochraceous, slender. Head with a black stripe on the vertex. 

 Antennae black, nearly as long as the thorax ; joints whitish towards 

 the tips; 1st and 2nd joints testaceous. Thorax with two blackish 

 dots on each side ; pectus pale testaceous. Abdomen with seven 

 broad brown bands ; the 1st and the 7th abbreviated on each side. 

 Legs very long and slender; tarsi blackish. Wings limpid; veins 

 black, testaceous towards the base ; halteres black. Length of the 

 body 8 lines ; of the wings 14 lines. 



Gen. TiPULA, Linn. 



5. TiPULA FUMiFiNis. Mas. Ochracea, capite nigro vittato, antennis 

 nigris basi ochraceis, thorace vittis tribus diiFusis fuscis vittaque pos- 

 tica obscuriore magis concisa, abdomine apicem versus fusco rnaculis 

 lateralibus pallidis, pedibus nigris, femoribus ochraceis apice nigris, 

 alis limpidis, costa venisque apicalibus nigricante marginatis, halteri- 

 bus testaceis apice nigris. 



Tipula longicornis, Dol. Nat. Tijd. Ned. Ind. 1858. 



Ochraceous. Head with a black stripe. Antennae black, much shorter 

 than the thorax; sutures of the joints whitish; 1st and 2nd joints 

 ochraceous. Thorax with three diflPnse brown stripes ; hind part with 

 a darker and more concise stripe. Abdomen brown towards the tip ; 

 a pale spot on each side of the fore border of the 4th and following 

 segments. Legs black, long, stout ; femora ochraceous with black 

 tips. Wings limpid, blackish along the costa and about the terminal 

 veins ; discal areolet hexagonal ; radial and cubital veins slightly 

 curved, springing from a common petiole which proceeds from the 

 angle of the discal areolet ; halteres testaceous, with black knobs. 

 Length of the body 10 lines; of the wings 16 lines. 



Pam. STRATIOMID^, Haliclay. 

 Geu. Ptilocera, Wied. 



6. Ptilocera quadridentata, Wied. See vol. i. p. 7- 



Gen. Hermetia, Latr. 



7. Hermetia rufiventris, n. s. Foem. Nigra, capite supra lurido, 

 antennis basi fulvis, thorace fasciis tribus tomcntosis subauratis, scu- 

 tello lurido, abdomine rufo aurco-tomentoso basi nigro, segmento 

 2° albido semihyalino, femoribus apice rufesccntibus, tibiis tarsisque 

 testaceis, illis nigricante strigatis, alis nigricantibus basi cinereis, hal- 

 teribus testaceis apice pomaceis. 



Female. Black. Head with cinereous pubescence, somewhat lurid 

 above. Antenna; tawny towards the base ; flagellum very elongate 

 fusiform. Thorax with three slight gilded toincntose bands, the 



