CLASSIFICATION OF INSECTS. 195 



the apical seta of the antennae exarticulate ; 

 ligula short and broad ; alulae of the wings 

 wanting ; wings narrow ; form elongate, often 

 very slender : glabrous or slightly hairy ; colour 

 black, black with yellow spots, brown or yel- 

 lowish. Ortalis, Sepsis, Lonch&a, Lauxania, 

 Ulidia, Piophila, Psila, Calobata, Micropeza, 

 Tetanocera, Loxocera, Heteromyza, Platycephala, 

 Sciomyza, Lucina, Chryliza, Lissa, Platystoma, 

 /Sepedon, Dory c era, 



693. Variegated flies ( Tephritites}. Larva in- 

 habits galls or excrescences on the bark and leaves 

 of plants. Pupa as in the Muscites. Imago with 

 the apical seta of the antennae exarticulate ; ligula 

 large, fleshy, bilobed, and pilose ; alulae of the 

 wings wanting; wings rather wider than in the 

 preceding order, beautifully variegated, striped and 

 spotted with different shades of black and brown ; 

 body glabrous, or with a slight pilosity, of moderate 

 length and stoutness, and, in the females, furnished 

 with a large exserted and conspicuous ovipositor. 

 TepTiritis. 



694. Phytomyzites (Phytomyzites).' Larva 

 inhabits the interior of plants and fruits, and 

 sometimes putrid substances. Pupa as in the 

 Muscites. Imago with the apical seta of the 

 antennae exarticulate; ligula large, fleshy, 

 clavate ; alulae of the wings wanting ; wings as 

 wide as in the preceding order ; the body very 

 delicate, often very slender, glabrous ; colour black, 



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