. Bulletin - United States National Museum. Science. 308 NATIONAL MUSEUM BULLETIN 277 granulosis; ocelli orange-red; mouthparts well developed, black, with a lighter tip; palpi tan; oral opening black posteriorly grading into white which joins the area on the lower frons. Antennae black, granular; first segment short; second segment twice as Avide and long as first; third segment pear-shaped, not twice as long as first two combined, ending in two distinct points with a median peg. Thorax dorsum black, covered with grayish brown pollen; humeral and supra-alar calli tan; pleura black, with
. Bulletin - United States National Museum. Science. 308 NATIONAL MUSEUM BULLETIN 277 granulosis; ocelli orange-red; mouthparts well developed, black, with a lighter tip; palpi tan; oral opening black posteriorly grading into white which joins the area on the lower frons. Antennae black, granular; first segment short; second segment twice as Avide and long as first; third segment pear-shaped, not twice as long as first two combined, ending in two distinct points with a median peg. Thorax dorsum black, covered with grayish brown pollen; humeral and supra-alar calli tan; pleura black, with gray granulosis. Wings brownish hyaline, veins brown, M 1 + 2 reaching R5 closing off a cell; halter stem brown, knob tan-brown; legs black-brown, ^/ / /y Figure 198.—Riekiella collessi, new species, male, female: a, male wing; b, female wing; c, d, lateral and frontal aspects of male head; e, f, lateral and frontal aspects of female head; g, h, enlarged details of male and female heads; i, ;, ventral and lateral aspects of male terminalia; k, ventral aspect of female 8th sternum and 9th segment; /, lateral aspect of female 8th and 9th segments. Abdomen first three segments black, with brown granulosis, remain- ing segments more shining, no distinct broad band of white membrane. Ninth tergum red-brown, granular, divided into four lobes; aedeagus as two stiff spines extending beyond ventral lobe; see figure for details. Female.—Head black, eyes black; postocular ridge narrow, cov- ered with gray pollen, with sparse stiff hairs; frons gray poUinose, with two median bands of brownish pollen on either side of a median groove, a few sparse hairs; ocellar tubercle gray poUinose with a few sparse hairs; ocelli red-orange; mouthparts brown, palpi cream-orange; oral opening with anterior two-thirds cream-orange; antennae Avith first two segments black with gray pollen; third segment pear-shaped, pubescent, shining bronze or black depending on the Please note that
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
