Physemops wheeleri Wirth 1970

Physemops wheeleri Wirth

Physemops wheeleri Wirth, 1970:176.

DIAGNOSTIC DESCRIPTION.—Resembling P. nemorosus (Cresson) and P. azul Wirth but differing from them and other congeners as follows: wing length 2.90 mm; body entirely black except for brownish eye.

Head (Figures 42–47): Vestiture of frons and mesonotum moderately sparse, appearing subshiny to shiny, finely reticulate rugose sculpturing; posterolateroclinate fronto-orbital bristle well developed; arista with 2 rows of pectinate rays, larger rays subequal to length of third antennal segment; third antennal segment short, at most slightly longer than second segment; face with 1 pair of setae inserted just below dorsal margin of facial prominence, divergent, porrect; facial setae along oral margin distinctly longer than other facial setae; eye bare.

Thorax (Figures 48, 49, 85): Dorsocentral and acrostichal series with anterior setae weak; scutellum broadly rounded, disc poorly defined laterally, anterolateral scutellar setae weak, less than one-half apical pair; wing (Figure 85); costal vein ratio 9.8; vein M ratio 1.8.

TYPE-LOCALITY.—PANAMA. Canal Zone [former]: Las Cruces Trail.

PRIMARY TYPE MATERIAL.—Holotype female is labeled “Las Cruces Trail Canal Zone Feb 1958/ M R Wheeler Collector/ HOLOTYPE Physemops wheeleri W. W. Wirth [red; species name and sex handwritten].” The holotype is double mounted (glued to a paper point), is in excellent condition, and is in the National Museum of Natural History, Smithsonian Institution, USNM 70668.

GEOGRAPHIC DISTRIBUTION.—Panama (several localities) (see Wirth, 1970) south to Ecuador (Santo Domingo de los Colorados).