HERMETIA. 39 



The Hermetiin-5 have by some authors been separated from 

 the CLiTELLAniiNTE proper, but it seems better to retain them 

 under one subfamily. 



Tahle of Genera. 



1. Thorax with a strong side-spine 2. 



Thorax "without such spiue 3. 



2 Anteniial style hare Ephippium, Latr., p. 4o. 



Anteunal style thickly pilose, conspi- [p. 47. 



cuous . NeCtRitomyia, Big., 



3. Scutellum 2-spiued 4. 



Scutellum unspined 6. 



4. Antennal 3rd joint very lon^-, hliform . . Ampsalis, Walk., p. 44. 

 Antennal 3rd joint elongate or conical, 



not hliform 5. [p. 49. 



6. Third antennal joint with distinct style Clitellaria, Mg., 



Third antennal joint with arista Oxyckra, Mg., p. 53. 



6. Abdomen globose, much broader than 



thorax Ruba. Walk., p. 48. 



Abdomen elliptical or linear 7. 



7. Antennfe not longer than bead ; 3rd joint 



conical Lasiopa, Brulle, p. 52. 



Antennae longer than head; 3rd joint 

 very elongate or nearly hliform 8. 



8. Abdomen linear, considerably longer 



than thorax ; antennae cylindrical or 



rather flattened IIermetia, Latr., p. 39. 



Abdomen elliptical, barely longer than 

 thorax ; antennfe cylindrical, subfili- 

 form Eudmeta, Wied., p. 41. 



Genus HERMETIA, Lair. 



Hei'metia, Latreille, Hist. Crust. Ins. xiv, p. 338 (1805) ; Brunetti, 



Rec. Ind. Mus. i, p. 121 (1907). 

 nwrasena, Macquart, Dipt. Exot. i, pt. 1, p. 177 (1838). 



Genotype, Miisca illucens, L. (Tropical America) ; by original 

 designation. 



Head transverse, distinctly wider than thorax ; eyes micro- 

 scopically pub9scent ; frons broad in both sexes. Antennae with 

 1st and 2nd joints cylindrical, 2nd half as long as 1st ; 3rd very 

 elongate, cylindrical, .5-aniiulated, with au about equally long, 

 densely pubescent style, shaped like an elongated club. Proboscis 

 rather short, with large prominent labella ; ])alpi short, cylindrical. 

 Thorax subquadrate, moderately arched ; scutellum semicircular, 

 unspined. Abdomen linear, arched above, considerably larger than 

 thorax. 5-segiiiented in c? , 6 or 7 in $ . Genitalia in J charac- 

 teristic, attached to ventral side of 5th segment, consisting of a 

 piece broadened at base, pointed at tip, apparently membranous, 

 bearing on each side a two-jointed palp-like organ, also mem- 

 branous ; two horny oval valves, probably for enclosing the 



