LIST OF DIPTERA. 539 



Group II. 



Microdon apiformis, Meig. Dipt. iii. 163, 1. Curt. Brit. Ent. pi. 

 70. Zett. Ins. Lapp. 589, ] . Wissmann, Ent. Stetttin, ix. 1848, 

 79, xi. M. mutabilis, Linn. Syst. Nat. ii. 985. Faun. Suec. 

 1807. M. apiformis, Deg. Ins. vi. 56, 18, pi. 7, /. 18—20. 

 Schell. Gen. Mouch. pi. 22, /. 1. M. nova, Schrank. Ins. 

 Austr. 889. Mulio apiarius, Fair. Syst. And. 185, 9. M. 

 mutabilis, Panz. Faun. Germ, lxxxii. 21. Stratiomys pigra, 

 Schrank. Faun. Boic. iii. 2387. Aphritis aureo-pubescehs, 

 Latr. Gen. Crust, iv. pi. 16, /. 7, 8. Cons. Gen. 443. Micro- 

 don mutabilis, Fall. Syrph. 4, 1. Elditt. Ent. Zeit. Stett. vi. 

 384, pi. 1,/. 6 — 14. Aphritis apiformis, Macq. Hist. Nat. 

 Dipt. i. 486, 1. 



a. England. 



b. France. 



Some of the synonyms of this and the following species are un- 

 certain. 



Microdon mutabilis, Meig. Dipt. iii. 164, 2. Musca mutabilis, 

 Linn. Faun. Suec. 1807. Gmel. Ed. Syst. Nat. v. 2842, 40. 

 M. plebeia, Schrank. Tns. Austr. 890. Syrphus mutabilis. 

 Fabr. Sp. Ins. ii. 428, 33. Ent. Syst. iv. 294, 59. Mulio mu- 

 tabilis, Fabr. Ent. Syst. Suppl. 558, 3. Syst. And. 184, 4. 

 Stratiomys conica, Panz. Faun. Germ. 12, 21. 



a. England. 



b. France. 



Microdon Agapenor, n. s., fern. Piceus, capite abdominisque basi 

 ferrugineis, antennis piceis basi ferrugineis, pedibus ferrugineis, 

 femoribus nigris, alis cinereis, venis fulvo marginatis. 



Body stout, piceous, clothed with short tawny hairs : head fer- 

 ruginous, a little narrower than the chest, clothed with short 

 pale yellow hairs, black on the crown : eyes piceous ; facets small : 

 feelers piceous, much longer than the head, ferruginous at the base ; 

 branch ferruginous, spindle-shaped: abdomen oval, longer and 

 broader than the chest, very finely furrowed across the back ; first 

 and second segments ferruginous : legs ferruginous, clothed with 

 short tawny hairs ; hips and thighs black ; tips of the latter ferrugi- 

 nous : wings gray ; wing-ribs and veins pitch-colour ; veins bordered 

 with brown ; poisers tawny. Length of the body 4 — 5 lines ; of the 

 wings 8 — 9 lines. 



a. Georgia. From Mr. Abbot's collection. 



b. ? 



