Q24 INSECTA SAUNDERSIANA. 
short band before the middle of its course; wing-ribs and veins black ; 
poisers tawny. Length of the body 4 lines; of the wings 8 lines. 
Brazil. 
Genus EUMERUS, Meigen. 
Eumerus Atpirrons, Mas. 
Nigro-cyaneus, scutelli margine postico fulvo, abdomine fasciis tribus ar- 
cuatis canis ornato, antennis tarsisque fulvis, alis sublimpidis cinereo 
varits, 
Bluish black : ead adorned with a white covering and clothed with 
white hairs: eyes black ; facets large in the fore part: feelers pitchy with 
a hoary bloom; sixth joint tawny at the base: chest and breast thinly 
clothed with tawny hairs; hind border of the scutcheon tawny : abdomen 
obconical, narrower and a little longer than the chest, adorned with three 
very angular hoary bands: legs clothed with hoary hairs; fore-shanks co- 
vered with a whitish bloom; fore-feet and middle-feet tawny ; hind-feet 
much widened towards the base, tawny beneath: wings nearly colourless ; 
disks of the areolets beneath the fore border streaked with gray ; wing-ribs 
tawny; veins black, tawny at the base; poisers yellow. Length of the 
body 3} lines ; of the wings 5% lines. 
East Indies. 
EvMERts ARGENTEvs, Fem. 
Aneus, scutelli margine postico fulvo, abdomine nigro maculis duabus 
rufis argenteo micantibus ornato, antennis nigris, articulis 10 et 20 
piceis apice ferrugineis, pedibus ferrugineis, femoribus eneis, alis 
cinereis ad costam subfuscis. 
Brassy: head coppery, very thickly clothed with white hairs: crown 
clothed with brownish hairs: eyes red, clothed with short white hairs: 
feelers black ; first and second joints pitchy with ferruginous tips: chest 
clothed with tawny or pale brown hairs ; hind border of the scutcheon tawny : 
breast clothed with hoary hairs: abdomen black, slightly obconical, a little 
longer than the chest, adorned on each side with two very large red spots 
which are covered with bright silvery luste, clothed with tawny hairs on 
each side of the base and at the tip which is brassy : legs ferruginous, 
