284 DIPTERA. 
29. Sarcophaga tripartita, sp. n., ¢. 
Cinereous ; frontal band, three thoracic stripes (the median stripe with two lateral lines), reflecting spots on 
the abdomen, antenna, palpi, and legs black; no dorso-central bristles; hypopygium red; tibie not 
hairy. 
Length 11°5 millim. . 
Head yellowish-white ; front not prominent, on the vertex a little narrower than the eyes ; frontal band black, 
narrower than the lateral portions; on the cheeks, near the inner orbits, a row of minute black hairs ; 
above the vibrisse a row of short bristly hairs and beneath them several bristles ; inferior part of the 
cheeks equalling one-third of the longitudinal diameter of the eyes; beard whitish ; occiput dark grey. 
Antenne black, inserted on the median line of the eyes; third joint three times as long as the second ; 
arista plumose to beyond the middle. Proboscis and palpi black. Thorax and scutellum cinereous ; 
thoracic dorsum with three black bands; on each side of the median band a distinct black stripe, reaching 
posteriorly to beyond the transverse suture; external to the lateral bands is a tortuous black stripe; 
dorso-central bristles absent or inconspicuous among the black pilosity of the thoracic dorsum ; scutellum 
with a blackish central spot, being the continuation of the median band of the thorax. Abdomen 
elliptical, tessellate with grey and blackish-brown ; seen from the side, there appear three rows of black 
spots ; hind border of the anal segment with a row of macrochete ; hypopygium red, its first segment 
margined with rather strong bristles, the second clothed with black hairs. Legs black; front femora on 
the upper and under sides with regularly placed long hairs ; hind femora densely clothed with short hairs 
beneath ; hind tibie with scattered bristles on the outer side ; foot-claws and pulvilli elongate, the pulvilli 
brown. Tegule whitish. Wings greyish-hyaline; third vein with a row of minute bristles; small 
cross-vein beyond the middle of the mediastinal cell and on the middle of the discal cell; curvature of 
the fourth vein with an acute angle; apical cross-vein deeply incurved ; posterior cross-vein distinctly 
undulate. 
Hab. Mexico, Guadalajara in Jalisco (Schumann). 
A single male specimen. 
30. Sarcophaga pexata, sp. n., ¢ 9. 
Cinereous; head ochraceous ; frontal band, three thoracic stripes, reflecting spots on the abdomen, antenne, 
palpi, and legs black ; no dorso-central bristles ; in the ¢ the middle and hind tibie clothed with long 
hairs, and the hypopygium red; anus of the ? ochraceous. 
Length 11-12 millim. 
Front not prominent; vertex of the ¢ narrower than, that of the 9 as broad as, the eyes ; frontal band black, 
as broad as the lateral portions, which are ochraceous, as well as the face and cheeks; face concave, the 
oral margin slightly prominent, especially in the 9; inferior part of the cheeks equalling one-third of the 
longitudinal diameter of the eyes; near the inner orbits a row of minute black hairs; on the oral margin 
are, in addition to the vibrissa, several other bristles; beard yellow. Antenne black, inserted on or 
beneath the median line of the eyes ; third joint three to four times as long as the second ; arista thickened 
at the base and plumose to beyond the middle. Proboscis and palp black; the palpi thickened and hairy 
towards the tip. Thorax and scutellum cinereous ; the thorax with three black stripes, the median of 
which is prolonged over the scutellum ; the thorax clothed with short hairs, but without distinct dorso- 
central bristles ; at its hind border only there are some long macrocheete, as well as on the hind border 
of the scutellum. Abdomen conical (3) or ovate (9), tessellate with cinereous and black, the lateral 
cinereous spots more whitish ; hind border of the third segment with two dorsal and on each side two 
lateral macrochete, that of the anal segment, which shows some rufous tinge, with a continuous row of 
macrochete ; hypopygium of the ¢ shining red, clothed with black hairs; anus of the 9 ochraceous. 
Legs black, strong ; in the ¢ the femora are hairy beneath, and the middle and hind tibie are densely 
clothed with long hairs on the inner side over their whole length, and on the outer side with some long 
bristles ; the hind tibie are slightly curved; in the 2 the hairs are absent; foot-claws and pulvilli 
elongate in the g, the pulvilli brown. Tegule whitish. Wings greyish-hyaline; veins black; a few 
