DIPTERA. 269 
Tacuina wLativirra, Mas. 
Flavo-fusea ; caput antice albidum, subtus fulvum ; antenne nigre ; 
abdomen testaceum, fusco vittatum, subtus nigrum’; pedes nigri ; ale 
nigro-fusce. 
Yellowish-brown : head tawny beneath ;_face whitish ; epistoma very 
prominent: feelers black; third joint rather deep, especially towards the 
lip, nearly twice the length of the second: abdomen dark testaceous with 
a broad brown dorsal stripe, black beneath: legs black: wings very dark 
brown ; prebrachial yein much curved inward a little beyond its flexure 
which forms a right angle; lower cross-vein waved. Length’ of the body 
6} lines ; of the wings 16 lines. : 
Tacurna simicis, Mas. 
Cinerea ; caput antice et subtus fulvum, argentatum ; antenne nigre, 
subtus et basi rufe ; thorax nigro quadrivitiatus ; scutellum ferru- 
gineum ; abdomen cinereo-piceum, ad discum nigricans ; pedes nigri ; 
tihie rufe ; ala cineree. 
Cinereous, beset with stout black bristles: head broad, tawny and with a 
silvery white covering in front and beneath, clothed beneath and behind 
with white hairs; frontalia ferruginous, slightly widening from the eyelets 
to the feelers, paler in the disk, blackish towards the eyelets: epistoma 
prominent; a few bristles on the crown and front ; facialia without bristles 
along the face, with bristles on each side of the epistoma and of the 
peristoma:; mouth black, slender; ferruginous at the tip; palpitawny, very 
slender: feelers pale red; third joint black, pale red beneath, very convex 
above, straight beneath, conical towards the tip, much shorter than the 
second joint, and nearly twice its depth; orifice at one middle of the 
length and at one-third of the height from the under side ; bristle black ; 
fifth joint more than twice the length of the fourth, and about one-fourth 
of the length of the sixth: chest with four black stripes; inner pair 
slender; outer pair broader, interrupted: scutcheon ferruginous : abdomen 
pitchy, obconical, with cinereous reflections, blackish on the disk, very little 
longer than the chest: legs black ; trochanters and shanks red : wings gray ; 
veins black, tawny towards the base and along the fore border; prebra- 
Qn 
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