Forty-one new species of Coniceromyia Borgmeier (Diptera: Phoridae), an identification key, and new distributional records for the species of the genus Ament, Danilo César Kung, Giar-Ann Brown, Brian V. Zootaxa 2020 2020-08-12 4830 1 1 61 8BJYW Ament & Kung & Brown, 2020 Ament & Kung & Brown 2020 [151,424,726,753] Insecta Phoridae Coniceromyia Animalia Diptera 19 20 Arthropoda species diadella sp. nov.  ( Figs. 3B, 8N, 14B, 19C, 24O, 26F)   Diagnosis(male). Large wings (1.4 times longer than body length), wing thin veins and membrane deflected posteriorly ( Fig. 14B), hind tibia apical quarter inflated with dorsal carina which continues along posteroapical margin, dense setulae posteriorly adjacent to the carina ( Fig. 26F).   Material examined.  Holotype ♂,  ECUADOR: Napo: Volcán Sumaco, 0.55ºS, 77.68ºW,  14–16.iii.1996, yellow pan,  2100 m, P. Hibbscol. [LACM ENT 054937].   Description. Male. Body length, 2.5 mm. Head. Frons brown, shining, sparsely setulose, with weak median furrow. Flagellomere 1 light brown, conical very elongate. Arista could not be observed. Palpus light brown. Gena with two short setae; postocular seta short. Thorax. Scutum, scutellum, and pleural regions brown, shining; anepisternum bare. Legs narrow, elongated, yellowish-brown, except foretarsus and venter of forefemur brown. Foretibia with two small dorsal setae and anterodorsal row of strong setulae. Foremetatarsus with yellowish-brown anterior excavation, thick anteroapical setulose process, group of setae at excavation base, carina adjacent to excavation dorsal margin ( Fig. 8N). Foremetatarsus ratio 0.3. Posterior face of hind femur with narrow basoventral band of tiny blunt setulae ( Fig. 19C). Hind femur height/length ratio 0.23. Hind tibia with one dorsal seta in basal half, apical quarter inflated with dorsal carina which continues along posteroapical margin; dense setulae posteriorly adjacent to the carina. Wing( Fig. 14B). Large (1.4 times longer than body length), thin veins and membrane deflected posteriorly, membrane between apices of R 1and R 4+5darkened. Costa considerably swollen, 0.48 of the wing length; R 2+3absent; M 1slightly sinuous; M 2nearly straight, CuA 1-M 2/M 2-M 1ratio 1.1; CuA 1nearly straight. Halter white.  Abdomen. Tergites brown, with shining pubescence. Hypopygium light brown ( Fig. 24O). Left epandrial process with a subepandrial wall extending from the hypoproct to its apex and a medially directed setulose projection near its base. Hypoproct with two setae.   Distribution. Known from a single mid-elevation site in Ecuador.   Etymology. Name derived from the Greek word diadelos(distinguishable, distinctive) and refers to the many uncommon features of this species such as its large wings and inflated hind tibia. 3019466481 1996-03-14 1996-03-16 1996-03-14 P. Hibbs Ecuador 2100 -0.55 Volcan Sumaco 785 -77.68 19 20 1 1 Napo holotype