78 INSECTA SAUNDERSIANA 
Opontomyra Excocta, Fem. 
Aira, capite antico rufo, scutello dentibus piceis armato, abdominis vittis 
duabus ventreque ferrugineis, antennis piceis rufo cinctis, pedibus 
nigris, alis fuscis. 
Body deep black: head and chest shining: head red in front: eyes 
pitchy ; all the facets very small: feelers dark red, pitchy at the base and 
at the tips: seutcheon armed with two pitchy spines: abdomen broader 
and a little shorter than the chest, ferruginous beneath, adorned above 
with a broad, short, ferruginous stripe on each side: legs black ; foot- 
cushions tawny: wings very dark clear brown; wing-ribs and veins black ; 
poisers tawny. Length of the body 4 lines ; of the wings 9 lines. 
? 
OponTomyiA ATERRIMA, Mas. 
Aura, scutello inermi, abdominis lateribus segmentorum marginibus posticis 
ventreque ferrugineis, antennis piceis, pedibus nigris, tarsis piceis basi 
Sulvis, alis fuscis apice fulvis. 
Body very deep black: head shining: eyes meeting on the crown, 
pitchy and composed of small facets beneath, coppery and of larger facets 
above: mouth black: feelers pitchy, paler towards the base, which is 
black: chest clothed with short black hairs; scutcheon unarmed: abdo- 
men shining, a little broader and longer than the chest; underside pitchy, 
sides and hind borders of its segments ferruginous: legs black ; knees fer- 
ruginous ; feet pitchy, pale tawny at the base: wings brown for full two- 
thirds of the length from the base, pale tawny from thence to the tips, the 
outline of each colour distinctly marked ; brands dark brown ; wing-ribs, 
veins and poisers pitchy. Length of the body 3} lines; of the wings 6} 
lines. 
Brazil. 
Oponromyia picea, Mas. 
Picea, capite fulvo, scutelli margine postico ferrugineo dentibusque duabus 
Serrugineis armato, abdominis lateribus ventrisque vitta viridescenti- 
bus, antennis nigris, pedibus fulvis, tarsis posticis piceis, alis limpidis. 
Body pitchy, clothed with tawny hairs: head tawny, shining: eyes 
red; all the facets small: mouth and feelers black: hind border of the 
