Ablabesmyia cordeiroi Neubern, 2013

Oliveira, Caroline Silva Neubern De, Silva, Mário Antonio Navarro Da & Gessner, Alaíde Aparecida Fonseca, 2013, <p> <strong> Neotropical <em> Ablabesmyia </ em> Johannsen (Diptera: Chironomidae, Tanypodinae) – Part I </ strong> </ p>, Zootaxa 3733 (1), pp. 1-123 : 30-33

Ablabesmyia cordeiroi Neubern sp. n.

( Figs 14 , 15 )

Type material. Holotype: ♂, Brazil, Amazonas, Manaus, Cueiras park ZF02, 60°06`55``W – 02°35`22``S, 14.vii.2008, C.S.N. Oliveira — LEIA . Paratypes: 2 ♂♂, same data as holotype— LEIA ; 4 ♂♂, same data as holotype— DZUP .

Diagnostic characters. Ablabesmyia cordeiroi sp. n. differs from other species by the combination of the following characters: femora with 2 bands, middle tibia with 3 bands, m-cu towards to f-cu, R 3 apex close to C, gonostylus with 6 apical teeth, tapered megaseta, grooved aedeagal blade, dorsal lobe club-shaped with fringe, anal point absent.

Etymology. Named after Dr. Danilo Pacheco Cordeiro, in recognition for his friendship and continuous support.

Male (n = 5, unless otherwise stated): Dimensions: Total length 3.37–3.76 mm. Wing length 1.40–1.56 mm. Total length/wing length 2.34–2.41. Wing length/length of profemur 2.19–2.23.

Coloration ( Figs 14A–F , 15A ): wings, thorax and abdomen follow figures 14A, 14B and 14F, respectively. Legs (Fig.): P I, P III —femora with 2 bands, tibiae with 3 bands; P II —femur with 3 bands, tibia with 3 bands. Ratio of bands, related tibiae and tarsomeres 1 follow table 12. Hypopygium: gonocoxite apex and gonostylus base brown.

Head: antenna with 14 flagellomeres; AR 1.66–1.73; apical flagellomere 106–118 µm and subapical seta 28– 31 µm long; temporals 40–44; postoculars 12; coronal triangle 277–308 µm long and base 91–101 µm; clypeus bearing 27–31 setae, 86–96 µm long and 100–111 µm wide; labrum with 3 setae, 87–97 µm long and 41–48 µm wide; tentorium 157–175 µm long; cibarial pump 292–305 µm long and orifice 80–83 µm from apex; palpomeres 1–5: 40–46; 68–75; 119–134; 149–166; 239–266 µm long; palpomere 3 with sensilla capitata 29–33 µm from base.

Wing ( Fig. 14A ): width/lenght 0.28–0.29; VR 0.73; C 1.23–1.38 mm long; Sc 0.46–0.52 mm long; m-cu 25–28 µm long and 370–412 µm from arculus; fr 504–563 µm from arculus; R 3 apex close to C; brachiolum with 3 setae; squama with 40–42 setae.

Thorax ( Fig. 14B ): antepronotals 7–8; humerals 5; prealars 17–23; supraalar 1; scutelars 33–35.

Legs ( Fig. 14C–E ): P I –apex of tibia 43–44 µm wide and with apical pectinated spur 57–62 µm long, spur ratio 0.61–0.65; tarsomeres 1–2 with 1 or 2 pseudospurs 55–66 µm long. P II –apex of tibia 47–50 µm wide and with 2 apical pectinated spurs 33–38 and 23–29 µm long, spurs ratio 0.57–0.60 and 0.56–0.64 respectively; tarsomeres 1–3 with 1 or 2 pseudospurs 55–67 µm long. P III –apex of tibia 46–47 µm wide and with 2 apical pectinated spurs 61–68 and 38–45 µm long, spurs ratio 0.63–0.70 and 0.66–0.80 respectively; tarsomeres 1–3 with 2 pseudospurs 65–75 µm long. Lengths and proportions of leg segments table 13.

Hypopygium ( Fig. 15A–D ): tergite IX with 2 central setae; anal point absent; phallapodeme 47–51 µm long; sternapodeme 143–146 µm long; gonocoxite 130–145 µm long and 104–115 µm wide; gonostylus 122–135 µm long, with 6 apical teeth; tapered megaseta; HR 1.07–1.08; HV 2.68–2.79. Aedeagal complex: grooved aedeagal blade 43–48 µm long and base 11–12 µm, 9/106 µm; dorsal lobe club-shaped with fringe, 19–22 µm long and base 7–8 µm, lateral lobe and basidorsal lobe present.

Female and immatures. Unknown.

Figures

FIGURES 14A–F. Ablabesmyia cordeiroi sp. n.: adult male. (A) Wing; (B) Thorax; (C–E) P1 (C), P2 (D), P3 (E); (F) Abdomen.

FIGURES 15A–D. Ablabesmyia cordeiroi sp. n.: adult male. (A) Hypopygium: dorsal aspect; (B, C) Hypopygium: ventral aspect; (D) Aedeagal complex.