DIPTERA. 389 
Genus CALOBATA, Fabr. 
Caxtopata compressa, Mas et Fem. 
Ferruginea ; caput piceo bivittatum, antice argenteum ; thorax nigro vit- 
tatus ; abdomen nigrum ; pedes picei, femoribus fulvis ; ale cinerea, 
basi fusciisque tribus albis. 
Ferruginous: head silvery white in front; crown with a tawny longitu- 
dinal furrow and with a pitchy stripe on each side: mouth pitchy ; palpi 
tawny: chest with a black stripe which is tinged with gray: abdomen black, 
slender, long, compressed: legs pitchy, long, slender ; thighs tawny, pos- 
terior thighs with pitchy tips : wings gray, whitish at the base and adorned 
with three white bands; first band semicircular; second and third almost 
straight ; third much more slender than the second ; veins black: halteres 
ferruginous with pitehy knobs. Length of the body 7 lines; of the wings 
10 lines. 
CaLOBATA BREVIPENNIS, Mas. 
Nigra, obscura, sat brevis ; caput latitudine via longius, thorace paullo 
latius, lateribus ferrugineis ; antenne ferruginea ; abdomen clavatum ; 
pedes fulvi, antici nigri, femora posteriora clavata, tarsi posteriores 
ferruginei, basi testacei; ale breves, sublimpide, fasciis tribus fuscis. 
Dull black, rather short: head hardly longer than broad, a little 
broader than the chest, ferruginous on each side above the feelers: mouth 
and palpi tawny: feelers ferruginous ; third joint pitchy above towards the 
lip, long-conical, longer than the first and the second; sixth thinly fea- 
thered with long hairs: breast shining : abdomen clavate, narrower than 
the chest and nearly twice its length: legs tawny ; fore-legs black ; hinder 
thighs partly pitchy, clavate, slender towards their tips ; hinder feet ferru- 
ginous, pale testaceous at the base: wings short, almost colourless, with 
two broad brown bands, and with a very slender interrupted brown band 
near the tip; first band near the base; second beyond the middle; little 
cross-vein between them clouded with dark brown; veins black: halteres 
ferruginous, with black knobs. Length of the body 34 lines ; of the wings 
5 lines. 
Brazil. 
