LIST OF DIPTERA. 589 



Syrphus Automenes, n. s., fern. Cyaneus, abdomine nigro -purpureo 

 maculis octo flavis ornato, antennis ferrugineis, pedibus fulvis, 

 femoribus posticis nigro cinctis, tibiis posticis nigris, alis lim- 

 pidis. 



Body deep blue : mouth and feelers ferruginous : eyes red : 

 abdomen bluish black, with a purple tinge, adorned with four yel- 

 low spots on each side ; first pair of spots small, nearly square ; 

 second and third pairs larger, concave on the outer sides of their 

 hind borders ; fourth pair smaller and transverse : legs tawny ; a 

 black ring near the tip of each hind thigh ; hind shanks mostly 

 black: wings colourless; wing-ribs and poisers tawny; veins brown, 

 tawny towards the base. Length of the body 2\ lines ; of the 

 wings 5 lines. 



a. Sierra Leone. Presented by the Kev. D. F. Morgan. 



Syrphus iridipennis, Walker, Linn. Trans, xvii. 345, 38. 



a. South America. Presented by the Entomological Club. 



b. ? From Mr. Children's collection. 



Syrphus Antiphates, n. s., mas. Cyaneo-viridis, capite cyaneo, tho- 

 racis lateribus ceneis, abdomine nigro maculis octo fulvis ornato, 

 apice ceneo, antennis ferrugineis, pedibus fulvis, posticis piceis, 

 alis nigro-fuscis. 



Body bluish green : head blue and covered with white down 

 in front : mouth and feelers ferruginous : eyes bright red : chest 

 with a brassy tinge on each side : abdomen black, narrow, adorned 

 with four tawny spots on each side, brassy at the tip : legs tawny ; 

 hind legs pitchy : wings blackish brown ; wing-ribs pitchy ; veins 

 black ; poisers tawny. Length of the body 3 lines ; of the wings 

 5 lines. 



a. Jamaica. From Mr. Gosse's collection. 



Syrphus Amissas, n. s., mas. /Eneus,fronte fulva, antennis nigris, 

 pedibus fulvis, posticis nigris, alis fuscis, maculis duabus posti- 

 cis limpidis. 



Body dark bronze : head a little broader than the chest, tawny 

 in front : eyes red ; facets very small : mouth and feelers black : 

 abdomen slender, nearly cylindrical, slightly increasing in breadth 

 towards the tip, more than twice the length of the chest and about 

 half its breadth : legs tawny ; hind legs black : wings dark brown, 

 each with a large colourless angle near the tip of the hind border, 

 which is also colourless towards the base ; wing-ribs piceous ; veins 



