280 ME. walker's catalogue of dipterous insects 



gilded tomentum on each side; pectus with whitish tomentum. Ah- 

 domen luteous, black at the base and at the tip. Legs robust, pale 

 luteous ; coxae and knees black. Wings cinereous ; veins black ; hal- 

 teres pale yellow. Length of the body 5-6 lines ; of the wings 10-1 1 

 lines. 



36. Laphria manifesta, IValk. See Vol. IIL p. 87. 



Subfani. Asilites, Walk. 



Gen. Trupanea, Macq. 



37. Trupanea interponens, n. s. Fcem. Nigra, robusta, capite 

 pectore thoracisque lateribus albido-cinereis, epistomate convexo, 

 mystace nigro, barba alba, thorace vittis tribus angustis cinereis, abdo- 

 mine lanceolate apicem versus attenuate et compressoniaculis laterah- 

 bus trigonis cinereis, pedibus robustis, tibiis anticis subtus rufo to- 

 mentosis, tibiis posticis basi rufescentibus, alis luride fuscis, areola 

 radiali schistaceo strigata, halteribus luteis. 



Female. Black, robust. Head, pectus, and sides of the thorax with 

 whitish cinereous tomentum ; epistoma very prominent ; mystax com- 

 posed of many stout black bristles ; beard of white hairs. Third joint 

 of the antennae lanceolate, shorter than the 1st; arista more than 

 twice the length of the 3rd joint. Thorax with three slender cinereous 

 stripes. Abdomen lanceolate, attenuated and compressed towards the 

 tip, with two lateral triangular cinereous spots on each segment ex- 

 cept the three last. Legs very robust, with black spines; fore tibia; 

 with red tomentum beneath ; hind tibiae reddish towards the base. 

 Wings lurid brown, with a slate-coloured streak in the radial areolet, 

 which is very long ; veins black ; halteres luteous. Length of the 

 body 10 lines; of the wings 18 lines. 



.38. Trupanea addens, n s. Fcem. Nigra, capite pectore thoracis 

 lateribus ventreque cinereo tomentosis, capite antico subaurato, e))i- 

 stomate convexo, mystace nigro, barba alba, abdominis segmeutis 

 cinereo marginatis, dimidio apicali stylato, tibiis rufis apice nigris, alis 

 cinereis, areolis radiali et cubitali schistaceo strigatis, halteribus fulvis. 



Female. Black. Head, pectus, sides of the thorax and abdomen be- 

 neath with cinereous tomentum, which is slightly gilded in front oi' 

 the head ; epistoma prominent ; mj'stax composed of many stout 

 black bristles ; beard of white hairs. Third joint of the antennae 

 shorter than the first ; arista about thrice the length of the 3rd joint. 

 Thorax cinereous on each side, and with three cinereous stripes. Ab- 

 dominal segments cinereous on each side and along the hind borders, 

 with the exception of the four last, which are much compressed and 

 form a style. I-egs robust, with black spines ; tibiae red except towards 

 the tips. Wings cinereous ; radial and cubital areolets with a slate- 

 coloured streak on each ; cubital areolet very long ; veins black ; hal- 

 teres tawny. Length of the body 7 lines; of the wings 12 lines. 



