<p> <strong> Neotropical <em> Ablabesmyia </ em> Johannsen (Diptera: Chironomidae, Tanypodinae) – Part I </ strong> </ p> Oliveira, Caroline Silva Neubern De Silva, Mário Antonio Navarro Da Gessner, Alaíde Aparecida Fonseca Zootaxa 2013 2013-11-04 3733 1 1 123 Neubern Neubern 2013 [151,517,702,729] Insecta Chironomidae Ablabesmyia Animalia Diptera 82 83 Arthropoda species martha sp. nov.  ( Figs 49, 50)   Type material.  Holotype: ♂,  Brazil,  Amazonas, Coari, Urucu, igarapé Martha, 63°13`89``W– 04°13`33``S,  16– 24.xi.2007, S. R. M. Couceiro— LEIA.  Paratypes: 2 ♂♂, same data— DZUP;  2 ♂♂,  Mato Grosso, Ribeirão Cascalheira, Suiamissu river, Campina Verdefarm, light trap, 51°53`47``W– 12°55`59``S,  10.x.2007, L.C. Pinho, S. Mateus, L. Torati& F. R.  Silva— LEIA;  4 ♂♂, same previous data— DZUP.  Diagnostic characters.  A. martha  sp. n.differs from other species by the combination of the following characters: temporals 44–47, front femur with 2 bands, front tibia with 4 bands, hind femur with 1 band, hind tibia with 3 bands, gonostylus with 5 apical teeth, tapered megaseta, grooved aedeagal blade not beyond the basidorsal lobe, dorsal lobe pointed.   Etymology.Named after igarapé Martha.  Male(n = 5, unless otherwise stated): Dimensions: Total length 2.78–3.33 mm. Wing length 1.57–1.71 mm. Total length/wing length 1.64–2.11. Wing length/length of profemur 2.62–2.75.  Coloration( Figs 49A–F, 50A): wings, thorax and abdomen follow figures 49A, 49B and 49F.Legs: P I, P II— femora with 2 bands, tibiae with 4 bands; P III—femora with 1 band, tibiae with 3 bands. Ratio of bands, related tibiae and tarsomeres 1follow table 36. Hypopygium: gonocoxite apex brown and gonostylus yellow.   TABLE 36.Ratio of bands, related tibiae and tarsomeres 1of  A. martha  sp. n., ♂, (n=5).    A/B LMB/LBCB Y/Z  P I 0.61–0.63 0.62–0.80 0.34–0.39  P II 0.56–0.61 0.32–0.70 0.38–0.41  P III 0.47–0.52 0.41–0.57 0.33–0.42  Head: antenna with 14 flagellomeres; AR 1.89–1.91; apical flagellomere 98–113 µm long and subapical seta 35 µm long; temporals 44–47; postoculars 18; coronal triangle 110 µm long and base 81 µm; clypeus bearing 20– 29 setae, 75–95 µm long and 80–91 µm wide; labrum with 2–3 setae, 93–99 µm long and 45–60 µm wide; tentorium 155–175 µm long; cibarial pump 280 µm long and orifice 50 µm from apex; palpomeres 1–5: 43–45; 80– 85; 113–115; 104–113; 210–215 µm long; palpomere 3with sensilla capitata 28–37 µm from base.  Wing( Fig. 49A): width/lenght 0.28–0.29; VR 0.81–0.83; C 1.42–1.56 mmlong; Sc 0.55–0.75 mmlong; m-cu 38 µm long and 440–480 µm from arculus; fr 530–590 µm from arculus; R 3apex close to C; brachiolum with 3 setae; squama with 37–39 setae.  Thorax( Fig. 49B): antepronotals 18; humerals 4; prealars 19–23; supraalar 1; scutelars 26–33.  Legs( Fig. 49C–E): P I—apex of tibia 51–53 µm wide and with apical pectinated spur 55–56 µm long, spur ratio 0.49–0.50; tarsomeres 1–2with 2 pseudospurs 68–73 µm long. P II—apex of tibia 50 µm wide and with 2 apical pectinated spurs 60–65 and 45–48 µm long, spur ratio 0.44–0.50 and 0.54–0.68 respectively; tarsomeres 1–2with 2 apical pseudospurs 65–80 µm long. P III–coxa with 5 central microsetae; apex of tibia 50–56 µm wide and with 2 apical pectinated spurs 63–65 and 50–53 µm long, spurs ratio 0.48–0.50 and 0.48–0.54 respectively; tarsomeres 1–2with 2 apical pseudospurs 66–73 µm long. Lengths and proportions of leg segments table 37.   FIGURES 49A–F.  Ablabesmyia martha  sp. n.: adult male. (A) Wing; (B) Thorax; (C–E) P1 (C), P2 (D), P3 (E); (F) Abdomen.   FIGURES 50A–D.  Ablabesmyia martha  sp. n.: adult male. (A) Hypopygium: dorsal aspect; (B, C) Hypopygium: ventral aspect; (D) Aedeagal complex.   TABLE 37.Lengths (in µm) and proportions of leg segments in  A. martha  sp. n., ♂, (n=5).    fe ti ta1 ta2 ta3 ta4  P I 600–650 740–820 645–700 440–510 330–370 210–240  P II 690–700 690–750 690–790 380–440 285–320 200–230  P III 610–690 920–1031 800–960 440–510 340–390 230–250   TABLE 37.(Continued)    ta5 LR BV SV BR  P I 120–150 0.81–0.87 1.69–1.80 2.06–2.23 3.7–4.1  P II 120–140 0.97–1.07 1.97–2.09 1.82–2.01 3.6–5.6  P III 130–150 0.81–1.0 2.01–2.10 1.72–2.0 4.0–6.8  Hypopygium( Fig. 50A–D): tergite IX with 2 central setae; anal point completely covers the aedeagal complex; phallapodeme 35 µm long; sternapodeme 83 µm long; gonocoxite 125–127 µm long and 83–85 µm wide; gonostylus 130–135 µm long, with 5 apical teeth; tapered megaseta; HR 0.94–0.96; HV 2.47–2.55. Aedeagal complex: grooved aedeagal blade 38–40 µm long, base 8–9 µm, 9/10 4–5 µm; dorsal lobe pointed 18–19 µm long and base 15–20 µm; lateral lobe and basidorsal lobe present. 2007-11-16 2007-11-24 2007-11-16 R Brazil Coari -4.2258334 Martha Urucu 82 83 1 1 Amazonas holotype [338,584,845,870] LEIA Brazil Couceiro 82 83 1 Amazonas holotype [602,1047,845,870] DZUP Brazil Couceiro 82 83 2 2 Amazonas paratype 2007-10-10 R L. C. Pinho & S. Mateus & Torati Brazil Ribeirao Cascalheira -12.933056 Campina Verde 21 -51.89639 Suiamissu river 82 83 2 2 Mato Grosso paratype [463,616,917,942] LEIA Brazil Silva 82 83 1 Mato Grosso paratype [627,1021,917,942] DZUP Brazil 82 83 4 4 Mato Grosso paratype