Paramyia incrassatoloba, Levesque-Beaudin & Mlynarek, 2020

Levesque-Beaudin, Valerie & Mlynarek, Julia J., 2020, Revision of Nearctic Paramyia Williston (Diptera: Milichiidae), Zootaxa 4732 (1), pp. 1-56 : 37-40

Paramyia incrassatoloba , new species

( Fig. 21-22 ; 26 )

Description. ( Fig. 21 ) Total length ♂ 1.8 mm. Female unknown. Overall colour dark brown, frontal triangle dark brown to black, shiny, reaching lunule; frons 1.33 times longer than wide and 1.5 times wider than flagellum; width at widest point 1.81 times the bottom eye width; gena dark brown with prunescence, 0.12 times eye height; postgena dark brown, with light prunescence and 0.15 width of head; scape and pedicel dark brown, first flagellomere trapezoidal, 1.2 times wider than long, dark brown with pale pubescence, arista dark brown and 1.67 times width of first flagellomere; moderate facial carina, easily visible laterally; palpus dark brown with 4 enlarge setae apically and 1 ventral seta close to mid-point, labium dark brown 0.43 mm and labella dark brown 0.45 mm long.

Scutum shiny dark brown; scutellum dark brown, microsetose; fore femur dark brown with apical antero-dorsal part with a slightly paler circle shape; fore tibia dark brown and slightly paler on the anterior apical section; femur and tibia on mid and hind leg dark brown; all tarsi light brown to yellowish; hind basitarsus shorter than length of tarsi 2-4 combined; haltere uniformly dark brown; wing 1.52 mm long; abdomen shiny dark brown.

Male postabdomen ( Fig. 22 ). Epandrium in lateral view 1.02 times wider than high, in posterior view 2.6 times wider than high (before cerci), small setae densely covering posterior portion of epandrium mixed with a low density of large setae; surstylus 1.4 times as high as epandrium, paddle shape increasing in width from base to apex, with a large wavy circular structure situated basally with many wavy short markings within, setae medium length, covering anterior side and distal half of surstylus; cerci large and pointed apically, 0.86 times length of surstylus in posterior view, with two pair of medium length setae along the edge, apically swollen in lateral view.

Molecular barcode sequence can be accessed through GenBank Accession: [pending] and BOLD BIN: origi- nally BOLD:ADO8669, now merged with BOLD:AAG0168 ( P. nitens ).

Distribution ( Fig. 26 ). Southern United-States: Mississippi

Type material. Holotype ♂. UNITED STATES: Mississippi: Winston Co., Noxubee National Wildlife E., Tripletts, 19.v.2013, J.M. Cumming (CNC).

Etymology. The species name comes from incrasso (from Latin) meaning fatten, thicken and lobos (from Greek) meaning lobe, which refers to the surstylus shape increasing in width from base to apex.

Figures

FIGURE 21. Paramyia incrassatoloba male (A) habitus, (B) head frontal, (C) head lateral. Scale bar: habitus = 1 mm, others = 0.2 mm.

FIGURE 22. Paramyia incrassatoloba male genitalia (A) lateral, (B) posterior, (C) surstylus, (D) basal surstylus structure. Scale bar = 0.1 mm.

FIGURE 26. Distribution map of Paramyia incrassatoloba, Paramyia lutea, Paramyia nigritarsi, Paramyia wheeleri. (created by Simplemappr)