. Fig. 15. Allotrichoma argentijyrcetexta, n. sp., wing. Face with two well-marked side bristles; the usual chsetotaxy, backward and forward orbital pair, ocellars, inner and outer verticals, strong forwardly directed post-verticals as strong as the ocellars. Thorax with fine achrostical and other similar fine bristles each side of them on the dorsum. Scutellum rounded and slightly arched with four bristles. Wings as Fig. 15 with dark veins. Halters white. Legs dark brown with the first joints of the tarsi light brownish yellow, last joints slightly suffused. Abdomen $. Third segment about twi
. Fig. 15. Allotrichoma argentijyrcetexta, n. sp., wing. Face with two well-marked side bristles; the usual chsetotaxy, backward and forward orbital pair, ocellars, inner and outer verticals, strong forwardly directed post-verticals as strong as the ocellars. Thorax with fine achrostical and other similar fine bristles each side of them on the dorsum. Scutellum rounded and slightly arched with four bristles. Wings as Fig. 15 with dark veins. Halters white. Legs dark brown with the first joints of the tarsi light brownish yellow, last joints slightly suffused. Abdomen $. Third segment about twice as long as the second; fourth pointed, nearly as long as the previous two; fifth very tiny or drawn beneath. Hypopygium with appendages shaped like small pale flattened strips of nearly uniform width, not spatulate as shown in Becker's paper ( Plate IV, fig. 7), two stout divergent hairs on the end and a finer central hah, and a few various sized hairs along the side. ?. Five segments visible, each a little longer than the previous, the fourth greater than third and third greater than second; rounded visible fifth segment, abdomen covered with fine hairs.
Size: 3108px × 1608px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectdiptera, bookyear1912
