Ablabesmyia perexilis

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Niitsuma, Hiromi (2013) Revision of the Japanese Ablabesmyia (Diptera: Chironomidae: Tanypodinae), with descriptions of three new species. Zootaxa 3664 : 501 – 502, doi. Versioned wiki page: 2017-06-17, version 146429, https://species-id.net/w/index.php?title=Ablabesmyia_perexilis&oldid=146429 , contributors (alphabetical order): PlaziBot.

Citation formats to copy and paste

BibTeX:

@article{Niitsuma2013Zootaxa3664,
author = {Niitsuma, Hiromi},
journal = {Zootaxa},
title = {Revision of the Japanese Ablabesmyia (Diptera: Chironomidae: Tanypodinae), with descriptions of three new species},
year = {2013},
volume = {3664},
issue = {},
pages = {501 -- 502},
doi = {TODO},
url = {},
note = {Versioned wiki page: 2017-06-17, version 146429, https://species-id.net/w/index.php?title=Ablabesmyia_perexilis&oldid=146429 , contributors (alphabetical order): PlaziBot.}

}

RIS/ Endnote:

TY - JOUR
T1 - Revision of the Japanese Ablabesmyia (Diptera: Chironomidae: Tanypodinae), with descriptions of three new species
A1 - Niitsuma, Hiromi
Y1 - 2013
JF - Zootaxa
JA -
VL - 3664
IS -
UR - http://dx.doi.org/TODO
SP - 501
EP - 502
PB -
M1 - Versioned wiki page: 2017-06-17, version 146429, https://species-id.net/w/index.php?title=Ablabesmyia_perexilis&oldid=146429 , contributors (alphabetical order): PlaziBot.

M3 - doi:TODO

Wikipedia/ Citizendium:

<ref name="Niitsuma2013Zootaxa3664">{{Citation
| author = Niitsuma, Hiromi
| title = Revision of the Japanese Ablabesmyia (Diptera: Chironomidae: Tanypodinae), with descriptions of three new species
| journal = Zootaxa
| year = 2013
| volume = 3664
| issue =
| pages = 501 -- 502
| pmid =
| publisher =
| doi = TODO
| url =
| pmc =
| accessdate = 2020-02-17

}} Versioned wiki page: 2017-06-17, version 146429, https://species-id.net/w/index.php?title=Ablabesmyia_perexilis&oldid=146429 , contributors (alphabetical order): PlaziBot.</ref>


Taxonavigation

Ordo: Diptera
Familia: Chironomidae
Genus: Ablabesmyia

Name

Ablabesmyia perexilis Sasa et al. 1998: 125Wikispecies linkPensoft Profile

  • Ablabesmyia perexilis Niitsuma, Hiromi, 2013, Zootaxa 3664: 501-502.

Materials Examined

Type material.Holotype male (SUM-IC-T0484), JAPAN: Gif, Mino, Suhara, Nagara River, 12.ix. 2009 (adult emerged 20.ix. 2009). Paratype. Kochi, Nakamura, 1 male (NSMT), labelled, “ Ablabesmyia longistyla No. 358: 49 ”, 26.iv. 1998.

Etymology

Etymology. From Latin perexilis, slender, referring to the long and narrow lateral lobe in the aedeagal complex.

Description

Description. Male (n = 2). Body length 3.1–3.8 mm. Colouration. Thorax yellow with dark brown scutal vittae, anepisternum II, preepisternum and postnotum. Abdomen pale yellow with dark markings; tergites III–V each with anterolateral markings, tergites VI–VIII mostly dark brown; hypopygium pale yellow. Wing (Fig. 67) darkened on humeral cross-vein, RM, FCu, apex of R 4 + 5, and areas along C between apices of R 1 and R 3, and above RM; distal marking in anal cell with basal extension. Subbasal and median bands on foretibia located 0.78–0.80 and 0.41–0.42, respectively, from apex of tibia. Head. Temporals 24–34, multiserial except uniserial postorbitals. AR 1.6–1.7. Clypeus rounded with 35–39 setae. Lengths of palpomeres 1–5 (μm): 50–65, 100 – 120, 165–190, 190 – 215, 303 – 335. Pm 4 1.1–1.2 times as long as Pm 3; Pm 5 1.6 times as long as Pm 4. Thorax. Aps 9–11; Ac 54–73, biserial between median scutal vittae, diverging posteriorly; Dc 23–24, uniserial, becoming biserial anteriorly; H 10–15; Pa 24–30; Su 1; Scts 72–85. Wing. Length 2.1–2.5 mm. Squama with 48 (1) setae. VR 0.83. Legs. Spur on foretibia 45–50 μm long, with 10 (1) lateral teeth. Spurs on mid tibia 53–55 and 33–38 μm long, with 7–8 and 5 lateral teeth, respectively; inner spur 1.5–1.6 times as long as outer spur. Spurs on hind tibia 55–70 and 33–38 μm long, with 6 (1) and 5 (1) lateral teeth, respectively; inner spur 1.7–1.9 times as long as outer spur; hind tibial comb consisting of 4–5 bristles. All legs with subapical pseudospurs on ta 1–3; claws pointed or slightly bifid apically, each with 2 long and 3 short basoventral spines. Lengths and proportions of leg segments as in Table 7.

Hypopygium (Fig. 68). Tergite IX with 2 lateral setae. Gonocoxite 130–150 μm long; dorsal lobe 20 μm long, with setal fringe along almost full length; blade 38–43 μm long, curved with apex pointed; lateral lobe 45–53 μm long, slender, tapering and thinning toward membranous apex; lateral filaments not evident (Fig. 69). Gonostylus 153–168 μm long, 1.1–1.2 times as long as gonocoxite, with apically acute megaseta. Female, pupa and larva. Unknown.

Discussion

Remarks. The males of A. (K.) perexilis are similar to those of A. (K.) makarchenkoi and A. (K.) lata in having a prominent lateral lobe in the aedeagal complex. However, the species are easily separable from them. The lateral lobe is slender in the former, while broad and stout in the latter two species.

Taxon Treatment

  • Niitsuma, Hiromi; 2013: Revision of the Japanese Ablabesmyia (Diptera: Chironomidae: Tanypodinae), with descriptions of three new species, Zootaxa 3664: 501-502. doi
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