PLATYPALPUS. 127 



white hairs behind. Valpi tawny. Antennce black, pubescent ; first 

 ami second joints tawny ; third conical, a little longer than the first and 

 the second ; fourth much longer than all the preceding joints. ^Vings 

 colourless ; veins and haltercs yellow ; third and fourth longitudinal 

 veins slightly converging. Abdomen cinereous, with a more or less 

 interrnpted shining black stripe alonr/ the back. Legs taicny ; tips of 

 the joints of the tarsi brown ; middle femora thick ; middle tibia? 

 curved ; fore femora nearly as thick as the middle femora. 

 Rare. (E. T.) 



17. laticinctus, n. Cinereus, capite antico albo, antennis nigris 

 basi fulois, alis siiblimpidis, abdomine nigro, pedibus fidvis, femoribus 



fusco-cinctis, tarsis apice fuscis. Long. 1|- ; alar. 4 lin. 



Cinereous. Head shining white in front. Palpi yellow. Antemife 

 black, pubescent ; Jirst and second joints dark tawny ; third conical, a 

 little longer than the first and the second ; fourth mucli longer than 

 the third. Thorax beset with a few tawny bristles, grey beneath. 

 TFings nearly colom'less ; veins brown, yellow towards the base ; third 

 and fourth longitudinal veins slightly converging. Haltercs pale 

 yellow. Abdomen black, shining. Legs tawiny, stout ; tips of the 

 tarsi brown ; femora broicn, tawny at the base and at the tips ; middle 

 femora thick ; middle tibiae hardly curved ; fore femora rather thick. 



Rare. In the collection of the Entomological Club. (E.) 



18. dichroa, Mg. zw. iii. 83. 36 (1822). Cinereus, antennis 

 nigris, alis limpidis, haltcribus flavis, abdomine nigro, pedibus fidvis, 

 tarsorum artieulis apice genubusque intermediis nigris. Long. \\; 

 alar. 3i lin. 



Grey. Palpi yellow. AntemKB black ; third joint long-conical, 

 longer than the first and the second; fourth longer than the third. 

 Thorax beset with a few black bristles. Wings colom-less ; veins black, 

 tawny towards the base ; third and fourth longitudinal veins nearly 

 parallel. Haltercs yellow. Abdomen black, shining. Legs tawny ; tips 

 of the joints of the tarsi black ; middle legs with thick femora, black ' 

 knees, and curved tibiEe. 



Not rare. (E.) 



19. divisus, u. Cinereus, capite cano autice albo, antennis flavis 

 apice nigris, alis subflavis apice subcinereis, abdomine nigro, pedibus 



favis. Long. \\ ; alar. 3 lin. 



Cinereous. Head hoary, shining white in front, clothed behind with 

 white hairs. Palpi white. Antennce yelloio ; third joint black towards 

 the tip, conical, longer than the first and the second ; fourth black, 

 longer than the third. TFings tinged with pale yelloio, slightly grey at 

 the tips ; veins and haltercs pale yellow ; third and fourth longitudinal 

 veins nea7-ly parallel. Abdomen black, shining. Tjcgs yelloio ; tips of 

 the tarsi black; middle femora thick ; middle tibia- curved. 



Rare. In the collection of the Entomological Club. (K.) 



