Anthomyza gilviventris Roháćek & Barber 2016, sp. nov.
Acta Entomologica Musei Nationalis Pragae
Nearctic Anthomyzidae: a monograph of Anthomyza and allied genera (Diptera)
Figs 481–484. Primary types and females of the Nearctic species of the Anthomyza tschirnhausi group. 481 – A. shewelli sp. nov., holotype male, laterally, body length 2.30 mm; 482 – A. gilviventris sp. nov., dark form, paratype female, laterally, body length 3.42 mm (USA: Colorado); 483 – A.gilviventris sp. nov., holotype male, laterally, body length 2.89 mm; 484 – same species, topotypic paratype female, laterally, body length 3.57 mm. Photo by J. Roháček.
Figs 508–515. Gonostyli (Figs 508–512) of paratypes ventrolaterocaudally (in widest extension) and female postabdominal structures (Figs 513–515) of the Nearctic species of the Anthomyza tschirnhausi group. 508 – A. shewelli sp. nov.(Canada:Ontario); 509 – same species (USA:Montana); 510 – A.gilviventris sp.nov.(Canada:British Columbia); 511, 512 – same species (USA: Colorado); 513 – A. gilviventris sp.nov., paratype female,dark form (USA:Colorado), 8th abdominal segment with internal sclerites, laterally; 514 – same specimen, spermatheca; 515 – same specimen, 7th and 8th abdominal segments, dorsally. Scales = 0.1 mm (Fig. 513), 0.2 mm (Fig. 515) and 0.05 mm (others).
Figs 485–486. Wings of the Nearctic species of the Anthomyza tschirnhausi group. 485 – A. shewelli sp. nov., paratype male, wing length 2.7 mm (Canada: Ontario); 486 – A. gilviventris sp. nov., paratype male, wing length 3.0 mm (Canada: Ontario). Photo by K. N. Barber.
Figs 487–493. Anthomyza gilviventris sp. nov., paratype male (Canada: Ontario). 487 – external genitalia, caudally; 488 – apex of nlum, subventrally; 489 – external genitalia, laterally; 490 – hypandrial complex, laterally; 491 – transandrium, caudally; 492 – aedeagal complex, laterally; 493 – gonostylus, ventrolaterocaudally (widest extension). Scales = 0.05 mm (Fig. 488) and 0.1 mm (others).
Figs 494–500.Anthomyza gilviventris sp. nov., paratype female (Canada:Ontario). 494 – spermatheca; 495 – postabdomen, dorsally; 496 – the same, ventrally; 497 – distal part of female genital chamber, laterally; 498 – spermatheca; 499 – end of postabdomen with internal sclerites, laterally; 500 – internal sclerites and S8, ventrally. Scales = 0.05 mm (Figs 494, 498), 0.2 mm (Figs 495, 496) and 0.1 mm (others).
Figs 501–507. Anthomyza gilviventris sp. nov., dark form, paratype female (USA: Montana). 501 – spermatheca; 502 – postabdomen, dorsally; 503 – the same, ventrally; 504 – distal part of female genital chamber, laterally; 505 – spermatheca; 506 – end of postabdomen with internal sclerites, laterally; 507 – internal sclerites and S8, ventrally (micropubescence omitted). Scales = 0.05 mm (Figs 501, 505), 0.2 mm (Figs 502, 503) and 0.1 mm (others).
Figs 66–69.Living Arganthomyza carbo Roháček & Barber, 2013 and its habitat. 66 – A. carbo, male dorsally, body length ca. 2.7 mm; 67 – same specimen, laterally (Canada: Ontario:Sault Ste. Marie); 68 – same, enlarged, frontally; 69 – undergrowth of humid aspen forest at Baseline Rd. in Sault Ste. Marie, habitat of A. carbo, A. vittipennis, A. bivittata, and A. duplex. Photo by J. Roháček. Adapted from ROHÁĆEK & BARBER (2013: Figs 48–51).
Figs 54–59. Ischnomyia albicosta (Walker, 1849), male (Canada: Ontario). 54 – hypandrial complex, ventrally; 55 – transandrium, caudally; 56 – hypandrial complex, laterally; 57 – apex of nlum, subventrally; 58 – aedeagal complex, laterally; 59 – gonostylus, lateroventrocaudally (widest extension). Scales = 0.05 mm (Figs 57, 59) and 0.1 mm (others). For abbreviations see p. 11.
Fig. 598. Map of North America showing distributions of two members of Cluster 2: Anthomyza gilviventris sp. nov. and A. pullinotum sp. nov. The square symbols for A. pullinotum are enlarged to improve visibility at common localities. See “Distributional patterns” for explanation of Clusters.
Fish Creek Prov. Pk., pond near Shannon Terrace
W. A. Switzer P. Pk., off Hay River Rd. W
CNCI, AMNH, BDUC, CMNH, CASC, CSCA, INHS, KNWR, LACM, LEMQ, MCZN, NMPC, OSAC, PMAE, RBCM, SEMC, SMOC, UBCZ, USNM