162 INSECTA SAUNDERSIANA. 



sving-ribs tawny ; veins pitchy, tawny at the base and beneath the fore bor- 

 der; poisers pitchy. Length of the body 5 lines; of the wings 11 lines. 



Thereva apicalis, Fem. 



Fulva, pectore cano, abdominis basi segmentorum marginibm posticis ven- 

 treque ferrugineis, anlennis nigris, pedibus fulvis, alis subcinereis. 



Bodg black, adorned with a dark fawny covering : head clothed above 

 with black hairs, hoary in front and beneath where it is clothed with white 

 hairs: eyes red : month pitchy ; palpi yellow: feelers black : breast hoary, 

 clothed with white hairs : abdomen obconical, much longer than the chest; 

 hind borders of the segments pale ferruginous, clothed with pale hairs ; un- 

 derside and one-third of the back from the tip pale ferruginous : legs tawny, 

 clothed with short pale hairs, beset with black bristles: wings pale gray ; 

 wing-ribs and veins tawny ; poisers yellow with pitchy knobs. Length of 

 the body 5^ lines ; of the wings 10 lines. 



Thekeva dejecta, Fem. 



Nigra, abdominis segmentorum marginibus posticis ferrugineis, antennis 

 pedibusque nigris, tibiis fulvis, alis limpidis. 



Body black, thinly clothed with hoary hairs : eyes pitchy : sucker and 

 feelers black : abdomen obconical, longer than the chest ; hind borders of 

 the segments ferruginous : legs black, beset with black hairs and bristles : 

 shanks dark tawny with black tips ; foot-cushions tawny ; fore shanks tawny 

 for only half the length from the base: wings colourless; wing-ribs and 

 veins tawny, the latter pitchy towards the tips; poisers pitchy. Length of 

 the body 3 lines ; of the wings 6 lines. 



Genus CHIROMYZA, Wiedemann. 



Chiromvza prisca, Fem. 



Fulva, capite nigra, thorace vittis tribus fuscis ornate, abdomine fusco 

 fasciis tribus abbreviatis fuhis ornato, antennis pedibusque fulvis, 

 alis sublimpidis. 



Body tawny : head black : eyes black ; all the facets very small : 

 feelers tawny ; chest adorned with three brown stripes, which are disposed 

 like those of a Chironomus, the middle one slender and in advance of the 



