Entomological News, Vol. 31: January 1920 (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from Entomological News, Vol. 31: January 1920

Pronotum yellow. Mesonotum black. Pleura black, gray pruinose, the dorso-pleural membranes bright yellow. Halteres yellow. Legs with the coxae yellow, marked on the outer face with purplish brown, the fore coxae with a basal band and an apical spot, the middle coxae with a basal and an apical band, the hind coxae with the outer face largely brown, only the apical margin yellowish; trochanters light yellow; femora yellow. The tips scarcely darkened; tibiae and metatarsi yellow, the tips darker; tarsi brown. \vings with a strong yellowish gray suffusion, the costal and subcostal cells and along vein Cu more yellowish; narrow, indistinct brown seams along the cord and at the fork of R4 +5. Venation: Sc long, ending about Opposite three-fourths the length of R4 +5; Rs moder ately long. In alignment with R4 +5, sometimes spurred at origin.

Abdominal tergites black, segments three to nine with the lateral mar gins broadly reddish, this color increasing in amount on the terminal segments, the hypopygium entirely reddish; sternites black, broadly ringed caudally with yellowish. Male hypopygium with the ninth tergite massive, deeply notched medially as in P. Lenis but the lateral lobes only moderately slender, their apices widely separated, quite far before the tip on the ventral face with a small, blunt reddish lobe. Penis-guard not narrowed at the tip, the apex broadly rounded.

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