Mayfly Species Cinygmula ramaleyi (Small Western Gordon Quills)

A medium-sized species with amber-tinged wings; spines on inner margin of penes only.

Head purplish brown. Thorax rather bright red-brown; mesonotum yellowish brown, median stripe darker red-brown. Postero-lateral areas of mesonotum on each side of and posterior to scutellum, and lateral areas of metanotum, purplish brown. Narrow purplish markings above leg bases. Median area of mesosternum darker than pleura. Legs reddish brown; fore leg tinged with smoky. All femora with distinct reddish tinge; apex of fore tibia blackish; femora-tibial joinings purplish brown, tarsal joinings narrowly dark brown, on all legs. Wings hyaline, distinctly amber tinged throughout. Veins rather fine, reddish brown.

Abdominal segments 2-7 and basal portion of 8, semi-hyaline; hyaline areas of tergites light red-brown, the posterior half or two-thirds of each purplish brown. Tergite 2 almost wholly dark except for narrow hyaline anterior margin; 2/3 of tergite 3, and about 1/2 of tergites 4-7, dark-shaded, the dark color often concentrated in postero-lateral areas. Pale submedian streaks outlined in darker color are faintly indicated on basal tergites. Sternites greyish with tinge of pale brown; no distinct darker median markings on 2-6. Segments 9 and 10, and apical portion of 8, opaque; tergites red-brown, sternites paler. Ganglionic areas of sternites 7-9 opaque, pale red-brown. Forceps deep olive or smoky brown; penes light red-brown; a curved spine on inner margin of each side of penes (see fig. 103). Tails deep smoky brown.