Paramyia, Williston, 1897

Levesque-Beaudin, Valerie & Mlynarek, Julia J., 2020, Revision of Nearctic Paramyia Williston (Diptera: Milichiidae), Zootaxa 4732 (1), pp. 1-56 : 4

publication ID	https://doi.org/10.11646/zootaxa.4732.1.1
publication LSID	lsid:zoobank.org:pub:C4C108E8-71C8-4CAC-BB2B-908309BC6F3E
DOI	https://doi.org/10.5281/zenodo.3664798
persistent identifier	https://treatment.plazi.org/id/03B187B7-FFBC-FFF8-FF3A-FE4EC3CBA582
treatment provided by	Plazi
scientific name	Paramyia
status

Treatment

Key to the North American males of Paramyia View in CoL View at ENA

1 Body yellow …............................................................................. P. lutea View in CoL n. sp.

- Body black …....................................................................................... 2

2 Apical antero-dorsal part of fore femur with a strong circle shape patch yellow to light brown ( Fig. 7D View FIGURE 7 ); dorsal side of tibia with middle brown and yellow at both ends (basally and apically), anterior side mostly yellow; junction of femur with tibia usually paler …............................................................................................ 3

- No apical circle on fore femur, if present, very faint and then anterior side of tibia more brown; dorsal side of tibia variable, but typically brown with only some yellow apically; junction of femur with tibia not paler …............................ 4

3 Large rectangular flagellum, 1.5 times longer than wide ( Fig. 7B View FIGURE 7 ); labium brown and labella yellow to light brown ( Fig. 7C View FIGURE 7 ); frons’ width 1.4-1.5 times flagellum width and frons length 1.3-1.4 times width …................ P. pseudonitens View in CoL n. sp.

- Flagellum subquadrate, about same width and length ( Fig. 9B View FIGURE 9 ); labium and labella both uniform brown ( Fig. 9C View FIGURE 9 ); frons’ width 1.9-2.0 times flagellum width and frons length 1.0-1.1 times width …............................... P. lustrum View in CoL n. sp.

4 All tarsi dark brown, same color as tibia ( Fig. 11A, D View FIGURE 11 ) …....................................... P. nigritarsi View in CoL n. sp.

- All tarsi yellowish to light brown and paler than at least mid and hind tibia ( Fig. 3A View FIGURE 3 , 19A View FIGURE 19 , 23A View FIGURE 23 ) ….................... 5

5 Gena large: eye 4.5-4.8 times higher than gena ( Fig. 13C View FIGURE 13 , 15C View FIGURE 15 ) ….............................................. 6

- Gena small: eye 5.25-11.0 times higher than gena ( Fig. 19C View FIGURE 19 , 21C View FIGURE 21 ) …............................................ 7

6 Flagellum short and oblong: wider than long, just higher than pedicel ( Fig. 13B View FIGURE 13 ); head width 1.75 times palpus ( Fig. 13C View FIGURE 13 ); fore tibia yellowish on anterior and dorsal side; anterior side of surstylus straight ( Fig. 14A, C View FIGURE 14 ) …......... P. brevikeraia View in CoL n. sp.

- Flagellum longer than pedicel, trapezoidal and 1.2 times wider than long ( Fig. 15B View FIGURE 15 ); head width 1.05 times palpus ( Fig. 15C View FIGURE 15 ); fore tibia fully brown; anterior side of surstylus elbowed ( Fig. 16A, C View FIGURE 16 ) …......................... P. anguliloba View in CoL n. sp.

7 Flagellum length 1.2 times width ( Fig. 17B View FIGURE 17 ); fore tarsi same color than fore tibia (brown), more distinct on dorsal side ( Fig. 17D View FIGURE 17 ); frons about same length and width (length 1.1 times width) …............................... P. silvestris View in CoL n. sp.

- Flagellum either same length than width or wider ( Fig. 3B View FIGURE 3 , 23B View FIGURE 23 ); all tarsi yellowish to light brown and paler than tibia ( Fig. 3A View FIGURE 3 , 23A View FIGURE 23 ); frons longer than wide (at least 1.25 times width) ….................................................... 8

8 Eye at least 8.7 times higher than gena; postgenal area small (head width at least 4 times postgenal area width); bottom of eye wide (eye width at widest point at most 2 times the bottom eye width) ( Fig. 21C View FIGURE 21 ), if unclear, confirm with surstylus …..... 9

- Eye 5-7.7 times higher than gena; postgenal area large (head width at most 3.3 times postgenal area width), bottom of eye narrow (eye width at widest point at least 2.13 times the bottom eye width) ( Fig. 3C View FIGURE 3 , 23C View FIGURE 23 ), if unclear, confirm with surstylus. 10

9 Flagellum subquadrate ( Fig. 19B View FIGURE 19 ); eye pale; surstylus strongly tapering in the first 1/3 and remaining thin until tip ( Fig. 20A, C View FIGURE 20 ); small species ( 1.2mm long, wing at most 1.2mm long) …..................................... P. wheeleri View in CoL n. sp.

- Flagellum trapezoidal ( Fig. 21B View FIGURE 21 ): side not parallel, angled apically on arista side; eye reddish; surstylus wider apically than basally ( Fig. 22A, C View FIGURE 22 ); large species ( 1.8mm long, wing 1.5mm long) …....................... P. incrassatoloba View in CoL n. sp.

10 Surstylus paddle shape ( Fig. 4A, C View FIGURE 4 ) ….................................................. P. nitens ( Loew, 1869) View in CoL

- Surstylus narrow, rectangular in shape with rounded corner ( Fig. 24A, C View FIGURE 24 ) …........................ P. rectilob a n. sp.