DIPTERA. 3 79 
scutcheon ferruginous, armed with ferruginous teeth: abdomen a little 
longer and broader than the chest, greenish on each side; underside 
adorned with an indistinct greenish stripe: legs tawny ; hind-feet pitchy, 
tawny towards the base: wings colourless; wing-ribs, veins and poisers 
tawny. Length of the body 4 lines; of the wings 8 lines. 
Van Diemen’s Land. 
Opontomyta ExuL, Fem. 
Nigra, scutello inermi, abdominis apice fulvo, antennis nigris, pedibus 
pices, tarsis fulvis, alis albidis. 
Body black, dull, covered with tawny down: head somewhat length- 
ened in front: eyes pitchy: feelers black; first and second joints of equal 
length ; third shorter: seutcheon unarmed : abdomen finely punctured, a 
little longer and much broader than the chest; tip tawny: legs ipitchy ; 
feet tawny: wings whitish; wing-ribs tawny; veins yellow; poisers 
whitish yellow. Length of the body 3 lines; of the wings 6 lines. 
? 
OpontToMY1A SOLENNIS, Mas. 
Ai nea, scutelli margine postico fulvo dentibus duabus flavis armato, ab- 
domine viridi apice fulvo vittaque picea ornato, antennis pedibusque 
fulvis, alis albidis. 
Body brassy : head black, clothed beneath with white hairs ; sides of 
the peristoma yellow : eyes red and composed of large facets above, brassy 
black and of very small facets beneath : mouth pitchy : feelers dark tawny, 
paler towards the base: chest and breast clothed with short tawny hairs ; 
hind borders of the scutcheon tawny, armed with two yellow spines: ad- 
domen pale green, a little broader but not longer than the chest, tawny 
towards the tip, adorned above with a pitchy stripe which widens towards 
the tip: legs pale tawny: wings whitish; wing-ribs and veins yellow ; 
poisers tawny, with apple-green knobs. Length of the body 3 lines; of 
the wings 6 lines. 
East India. 
