132 



Halteres yellow. Abdomen black, shining. Legs black ; posterior 



femora thick ; posterior tibia brown ; middle tibiae slightly curved ; fore 



tibia tawny ; tarsi tawny at the base. 



Eare. In the collection of the Ent. Club. (E.) 



35. exiguus? Mg. zw. iii. 81. 31 (1822). Niger, palpis flavis, 

 thorace subcinereo, alis linipidis, halteribus albis, pedibus fulvis, femo- 

 ribus nigris, tibiis posticis apicefuscis, tarsis basi fulvis. Long, f-$ alar. 

 2 lin. 



Black, shining. Palpi yellow. Third joint of the antennae conical, 

 a little longer than the first and the second ; fourth much longer than 

 the third. Thorax slightly grey. Wings colourless; veins brown, 

 tawny towards the base ; third and fourth longitudinal veins almost 

 parallel. Halteres white. Legs tawny ; femora black ; middle femora 

 thick ; middle tibia? slightly curved ; tips of the hind tibia brown ; tarsi 

 black, tawny towards the base. This may be distinct from Meigcn's 

 P. exiguus, whose tarsi are ferruginous, with black tips to the joints. 



Eare. In the collection of the Ent. Club. (E.) 



36. dubius, n. Oinereus, capite pectoreque canis, antennis nigris, 

 alis limpidis, halteribus albis, abdomine pedibusque nigris, tibiis anticis 

 basi genubusque anterioribus fulvis, tarsorum anticorum articulis basi 

 flams. Long. \\ ; alar. 3 lin. 



Grey. Head hoary. Palpi yellow. Antenna black ; third joint 

 conical, longer than the first and second ; fourth much longer than 

 the third. Thorax hoary beneath. Wings colourless ; veins brown, 

 tawny towards the base ; fourth longitudinal vein slightly inclined 

 towards the third. Halteres white. Abdomen black, shining. Legs 

 black ; middle femora thick ; fore femora rather thick ; anterior knees 

 tawny ; middle tibiae slightly curved ; fore tibia tawny at the base ; 

 joints of the fore tarsi yellow at the base, 



Eare. In the collection of the Ent. Club. (E.) 



37. pallipes, Fin. d. s. emp. 8. 6 (1815); Mg. ; Ztt. Canus, 

 antennis nigris, alis limpidis, halteribus flavis, abdomine nigro, pedibus 



flams. Long. 1 ; alar. 3 lin. 



Hoary. Proboscis black. Palpi yellow. Antennae black; third 

 joint tapering, longer than the first and the second ; fourth longer than 

 the third. Abdomen black, shining. Wings colourless ; veins and 

 halteres yellow ; third and fourth longitudinal veins nearly parallel. 

 Abdomen black, shining. Legs pale yellow; middle femora thick; 

 middle tibiae slightly curved. 



Not rare. (E. S.) 



38. comptus, Wlk. e. m. iv. 228 (1837). stigmatellus, Ztt. d. s. 

 i. 306. 4.1. pallipes, var. a, Ztt. i. 1. 553. 16. Niger, palpis flavis, 

 alis limpidis, pedibus fulvis, femoribiis posterioribus tibiisque posticis apice 



iihiis anticis tarsisque nigris. 



Long. 



-li; alar. 2^-3 lin. 



