DIPTERA. SCENOPINIDA —SYRPHID. 135 
MEDETERUS Meig. Hynrornorus Fall. 21 sp. M. regius Fab. Curt. 162. 
Antenne with third joint short, subovate, compressed, with a dorsal 2-jointed 
seta; eyes apart; abdomen ¢ with two filaments; legslong and slender ; wings 
incumbent, parallel. 
Obs. Macquart separates H. nebulosus Fall. and some others under Fallen’s 
generic name Hydrophorus. 
SYBISTROMA Metg. Doticnorus Ahr. 2 sp. D. discipes Ahr. 
Third joint of antenne oblong, compressed ; seta long, 2-jointed, basal joint 
longest. Meig. pl. 34. f. 19. 
DOLICHOPUS Lair. Saryra Meig, olim. 52 sp. M. nobilitatus Linn. 
Third joint of antenne trigonate, with a pubescent dorsal seta; eyes apart; abdo- 
men g with two membranous ciliated plates. My fig. 130. 9. 
ORTHOCHILE Latr. ———— 1sp. 0. nigrocerulea Latr. 
Proboscis exserted, perpendicular ; palpi acute, incumbent. Meig. pl. 36. f. 5. 
Family 13. (or 19.) SCENOPINIDZ Westw. (Scenopinii, 
Megacephali, Platypezine, and Oxyptere Meig.) 
SCENOPINUS Lair. Arricuta Schr. 8 sp. M. fenestralis L. Curt. 609. 
Head moderate; eyes confluent ¢ ; antennex 3-jointed; third joint elongate- 
conic ; seta 0; first longitudinal nerve emitting a branch at the tip; legs 
sunple. 
PIPUNCULUS Laétr. Crrnators Fall. 12 sp. P. campestris Latr. Curt. 757. 
Head large, subglobose ; abdomen small; apex incurved in 9 ; third joint of an- 
tennz ovate or acute, with a long basal seta. 
CHALARUS Wik. Avetenevra Mcqg. 2 sp. Pip. spurius Fall. 
Differs from Pipunculus in wanting the large submedial cell. Meig. pl. 33. 
f. 24, 
PLATYPEZA Meig. ———— I1sp. P. boletina Fall. Meig. pl. 33. f. 10. 
Last joint of antennz oval, with along terminal seta; middle vein of wings emit- 
ting an oblique branch at the tip. 
CALLOMYIA Meig. ————— 5S5sp. C.amena. Meig. t. 33. f. 13. 
Head moderate ; third joint of antenne pointed at tip, with a long terminal seta; 
middle longitudinal nerve simple at tip; hind tarsi dilated. 
ATELESTUS Wik. Ent. Mag. 18. 229. ————— Isp. A. sylvicola Wk. 
“ Callomyia’ et Platypeze similis, at alarum nervi aliter collocati”!! ( Walker, 
l. c.) 
LONCHOPTERA Meig. Drrsa Fall. 8 sp. LZ. lutea Pz. Curt. 761. 
Wings long, pointed at the tip (fig. 132. 15.) ; discoidal cell 0. 
Stirps 4. Athericera Lafr. 
Family 1. (or 20.) S¥YRPHID Leach. (Syrphici Meig.) 
CERIA Fabr. Conors p. Schr. 1sp. M. ConopsoidesL. Curt. 186. 
Head with a frontal horn supporting the antenne. 
MICRODON Ulig. Avuritis Latr. 3 sp. M. apiformis D. G. Curt. 70, 
Short, thick ; antennz frontal, long; scutellum with two points. 
CHRYSOTOXUM Meig. Miresta p. Fab. 8 sp. M. bicinctumL. Curt.653. 
Abdomen ovate, subdepressed; antennz frontal, second joint long; scutellum 
unarmed, 
K 4 
