Ablabesmyia depaulai Neubern, 2013

Oliveira, Caroline Silva Neubern De, Silva, Mário Antonio Navarro Da & Gessner, Alaíde Aparecida Fonseca, 2013, Neotropical Ablabesmyia Johannsen (Diptera: Chironomidae, Tanypodinae) – Part I , Zootaxa 3733 (1), pp. 1-123 : 33-39

publication ID	https://doi.org/ 10.11646/zootaxa.3733.1.1
publication LSID	lsid:zoobank.org:pub:EE758378-9459-4970-8D59-5258597A0E28
DOI	https://doi.org/10.5281/zenodo.5271166
persistent identifier	https://treatment.plazi.org/id/03816D3D-FFF6-FFCA-858B-A17FBF1C9078
treatment provided by	Felipe
scientific name	Ablabesmyia depaulai Neubern
status	sp. nov.

Treatment

Ablabesmyia depaulai Neubern sp. n.

( Figs 16–19 View FIGURES 16 View FIGURES 17 View FIGURES 18 View FIGURES 19 )

Type material. Holotype: ♂ with larval and pupal exuviae, Brazil, Paraná, Ponta Grossa, Vila Velha , 50°00’W – 25°16’00’`S, 06.iii.2008 – C.S.N. Oliveira & G. R. Paula. – LEIA . Paratypes: 2 ♂♂ with larval and pupal exuviae, same data– DZUP .

Diagnostic characters. A. depaulai sp. n. differs from other species by the following combination of characters: Male –antepronotum with 10 lateral setae, front and middle femora with 3 bands, middle tibiae with 4 bands, R 3 apex ending in C, gonostylus with 6 apical teeth, tapered megaseta, grooved aedeagal blade, dorsal lobe club-shaped with fringe; Pupa –apex of aeropyle tube club-shaped, thoracic horn with spines on the base, genital sac 337,50–348 µm length; Larva –head capsule expanded and without spots, postoccipital margin with central projections, ligula teeth in concave arch, dorsal pore absent, dorsal setae S 12 present, procercus brown with 112–129 µm length and with 7 anal setae.

Etymology. Named after Dr. Gabriel Rezende de Paula, in recognition for his friendship and continuous support.

Male (n = 3, unless otherwise stated):

Dimensions: Total length 4.20 mm (n=1). Wing length 1.92–2.15 mm. Total length/wing length 2.10–2.19. Wing length/length of profemur 2.12–2.54.

Coloration ( Figs 16A–F View FIGURES 16 , 17A View FIGURES 17 ): wings, thorax and abdomen follow figures 16A, 16B and 16F. Legs (Fig.): P I, P II –femora with 3 bands, tibiae with 4 bands; P III –femur with 2 bands, tibia with 3 bands. Ratio of bands, related tibiae and tarsomeres 1 follow table 14. Hypopygium: gonocoxite apex and gonostylus base brown.

Head: antenna with 14 flagellomeres; AR 1.89–1.91; apical flagellomere 121–125 µm long and subapical seta 44–46 µm long; temporals 48–50; postoculars 12; coronal triangle 200–205 µm long and base 105–108 µm; clypeus bearing 36–38 setae, 82–83 µm long and 80–85 µm wide; labrum with 3 setae, 103–106 µm long and 47– 51 µm wide; tentorium 211–215 µm long; cibarial pump 327–340 µm long and orifice 71–72 µm from apex; palpomeres 1–5: 63–65; 93–95; 140–143; 138–142; 159–162 µm long; palpomere 3 with sensilla capitata 47–51 µm from base.

Wing ( Fig. 16A View FIGURES 16 ): width/lenght 0.28–0.35; VR 0.79–0.90; C 1.77–1.98 mm long; Sc 0.93–1.00 mm long; m-cu 46 µm long and 615–719 µm from arculus; fr 769–875 µm from arculus; R 3 apex ending in C, brachiolum with 3 setae; squama with 39 setae.

Thorax ( Fig. 16B View FIGURES 16 ): antepronotals 10; humerals 5; prealars 17; supraalar 1; scutelars 33.

Legs ( Fig. 16C–E View FIGURES 16 ): P I –apex of tibia 63–64 µm wide and with apical pectinated spur 62–72 µm long, spur ratio 0.46–0.52; tarsomeres 1–2 with 1 or 2 pseudospurs 53–67 µm long. P II –apex of tibia 54–62 µm wide and with 2 apical pectinated spurs 33–38 and 29–32 µm long, spur ratio 0.49–0.58 and 0.58–0.67 respectively; tarsomeres 1–3 with 1, 2 or 3 apical pseudospurs 55–70 µm long. P III –coxa with 5 central microsetae; apex of tibia 62–67 µm wide and with 2 apical pectinated spurs 72–77 and 52–60 µm long, spurs ratio 0.52–0.65 and 0.55–1.00 respectively; tarsomeres 1– 3 with 2 apical pseudospurs 70–86 µm long. Lengths and proportions of leg segments table 15.

Hypopygium ( Figs 17A–D View FIGURES 17 ): tergite IX with 2 central setae; anal point partly covers the aedeagal complex; phallapodeme 64–66 µm long; sternapodeme 135–172 µm long; gonocoxite 183–185 µm long and 118–138 µm wide; gonostylus 172–175 µm long, with 6 apical teeth; tapered megaseta; HR 1.05–1.07; HV 2.41–2.43. Aedeagal complex: grooved aedeagal blade 46–51 µm long, base 11–15 µm, 9/10 5–6 µm; dorsal lobe club-shaped with fringe, 23–31 µm long and base 15–22 µm; lateral lobe and basidorsal lobe present.

Female: unknown.

Pupa (n = 3, unless otherwise stated): Dimensions: male abdomen 3.96–4.12 mm long.

Coloration ( Fig. 18A–D View FIGURES 18 ): exuviae yellow, wing sheath with spots.

Cephalothorax ( Fig. 18A, B View FIGURES 18 ): wing sheath 1.38–1.58 mm long and with complete veins; thoracic horn 513–600 µm long and 294–388 µm wide, lumen with hexagonal pattern, spines present only on the base, apex of aeropyle tube club-shaped; thoracic comb with 9–11 conical teeth.

Abdomen ( Fig. 18C, D View FIGURES 18 ): shagreen as small spines in arc, present in A I–VIII; scar in A I 218–238 µm long; A IV chaetotaxy follow figure 18C, dorsal pore between setae D 1, and D 3; A VII with 4 lateral setae, LS 1 169–200 µm long; A VIII with 5 lateral setae, LS 1 92–125 µm long; anal lobe 469–513 µm long, base 413–438 µm wide, with 2 anal macrosetae LS 1 225–239 µm long, LS 2 294–317 µm long, inner and outer border with spines; genital sac shorter than the anal lobe, 338–348 µm long; GS/AL 0.66–0.74.

Larva (n = 3, unless otherwise stated): Dimensions: head capsule 869–906 µm long and 625–688 µm wide.

Coloration ( Fig. 19A–D View FIGURES 19 ): head capsule yellow; postoccipital margin brown; ligula teeth brown; procercus brown; posterior parapod with 16 claws, 2 hooked claws brown and 14 simple claws yellow.

Head Capsule ( Fig. 19A–C View FIGURES 19 ): expanded, IC 0.70–0.76, postoccipital margin with central projections, chaetotaxy follow the figure 19A, dorsal setae S 12 present; AR 4.44–5.80, antennomeres 1,2-4: 500–513; 88–113 µm long; ring organ in A 1 256–294 µm from the base; maxillary palp with 2 segments, palpomeres 1-2: 46–55, 34–45 µm long; palpal formula 0+2, P 1 /P 2 1.14–1.64, A 1 /P 1 9.25–10.83, A 2 /P 1 1.56–2.03; mandible 146–169 µm long, with campaniform sensillum 20–32 mm from the base, A 1 /MD 3.03–3.51; dorsomental tooth 48–55 mm long and far apart 75 mm, pseudoradula slightly granulated and with homogeneous width; ligula 94–112 mm long and 63–68 mm wide, with 5 teeth in concave arch, It/O 0.78–0.83; Mt/O 0.72–0.78; It/Li 0.20–0.24; muscle attachment of ligula 23–31 µm long and 52–66 mm wide; bifid paraligula 48–49 µm long, pectin hypopharyngis with 15–17 teeth.

Abdomen ( Fig. 19D View FIGURES 19 ): procercus 112–129 µm long and 37–43 µm wide, 7 anal setae 663–750 µm long; supraanal seta simple and 406–500 µm long; supraanal seta lenght/ anal setae lenght 0.54–0.73; posterior parapods with 14 simple claws, with the serrated slightly sides and 2 hooked claws with the smooth sides, claw with truncated base present, tip of posterior parapods with spines.