Pifanomyia, Ortiz & Scorza, 1963

Identification key for species of the subgenus Pifanomyia View in CoL —Evansi series (updated from Galati, 2018)

Males

1 Paramere with straight dorsal margin, completely covered by spiniform setae……………. 2

Paramere with dorsal margin slightly curved at the apex towards the gonocoxite, setae restricted to this apical area ………………………………………………………… Pi. ( Pif.) ovallesi

2(1) Sperm pump c. 150 µm long; the pavilion’s diameter being larger than that of the sperm sac; aedeagal ducts c. 670 μm; parameres thick,the digitiform part’s width slightly smaller than that of the base and as long as the epandrial lobe ……… ………… Pi. ( Pif.) evansi

Sperm pump c. 120 µm long; the pavilion’s diameter being smaller or equal to that of the sperm sac; aedeagal ducts c.≤ 570 μm; parameres thinner, with the digitiform part’s width perceptibly narrower than its base and smaller than the epandrial lobe …………………… 3

3(2) Gonocoxite with tuft of two or more setae;thorax with paratergite brown ……………………. …….……………………… ………………………………………….. Pi. ( Pif.) maranonensis

Gonocoxite without tuft of setae; thorax with paratergite straw…………………….………4

4(3) Pleura straw, relation aedeagal ducts /genital pump =4.60 ………………… Pi. ( Pif.) nevesi

Pleura partially pigmented, relation aedeagal ducts /genital pump = 4,12 ………………….……………………………… ……………………………………… Pi. ( Pif.) veintemillasi

Females

1 Spermatheca without apical ring ……………………… ………………………………………………….. 2

Spermatheca with apical ring ……………………………… ……………………………………………… 4

2(1) Labrum-epipharynx ≥ 330 μm; thorax with paratergite and mesonotum brown, contrasting with the straw pleura ……… …………………………………………………….. Pi. ( Pif.) maranonensis

Labrum-epipharynx <300 μm; thorax with paratergite straw ……………………………………………3

3(2) Labrum-epipharynx 275–296 μm; thorax with paratergite straw; pleura partially straw with brown pigmentation at the base (katepisternum and katepimeron) ………………………. ……………………………………………………………… ………………….. Pi. ( Pif.) veintemillasi

Labrum-epipharynx ≤ 270 μm;Thorax with paratergite and pleura straw……. Pi. ( Pif.) nevesi

4(1) Spermatheca with a constriction in its apical half ……… ………………………. Pi. ( Pif.) ovallesi

Spermatheca without constriction in its apical half ……… ………………… Pi. ( Pif.) evansi