Difference between revisions of "Ablabesmyia lata"
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{{Section|class=etymology|heading = Etymology|content=Etymology. From Latin latus, broad, referring to the prominent lateral lobe in the aedeagal complex.}} | {{Section|class=etymology|heading = Etymology|content=Etymology. From Latin latus, broad, referring to the prominent lateral lobe in the aedeagal complex.}} | ||
| − | {{Section|class=description|heading = Description|content=Description. | + | {{Section|class=description|heading = Description|content=Description. Male (n = 8). Body length 2.4 –3.0, 2.7 mm. |
Colouration. Thorax yellow with dark brown scutal vittae, anepisternum II, preepisternum, scutellum and postnotum. Abdomen pale yellow with dark markings; tergites III–V with 3 dark brown spots anteromedially and anterolaterally, but anteromedial spots occasionally absent; tergites VI–VIII mostly dark brown; hypopygium pale yellow. Wing (Fig. 64) 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 separating into 2 spots. Subbasal and median bands on foretibia located 0.75–0.79 and 0.38–0.41, respectively, from apex of tibia. | Colouration. Thorax yellow with dark brown scutal vittae, anepisternum II, preepisternum, scutellum and postnotum. Abdomen pale yellow with dark markings; tergites III–V with 3 dark brown spots anteromedially and anterolaterally, but anteromedial spots occasionally absent; tergites VI–VIII mostly dark brown; hypopygium pale yellow. Wing (Fig. 64) 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 separating into 2 spots. Subbasal and median bands on foretibia located 0.75–0.79 and 0.38–0.41, respectively, from apex of tibia. | ||
Head. Temporals 19 –24, 22, multiserial except uniserial postorbitals. AR 1.1–1.4. Clypeus rounded with 22 – 32, 27 setae. Lengths of palpomeres 1–5 (μm): 40 –50, 43 (6); 60 –75, 68 (5); 125–153, 139 (7); 138–170, 156 (7); 220–265, 246 (7). Pm 4 1.1–1.2 times as long as Pm 3; Pm 5 1.5–1.7 times as long as Pm 4. | Head. Temporals 19 –24, 22, multiserial except uniserial postorbitals. AR 1.1–1.4. Clypeus rounded with 22 – 32, 27 setae. Lengths of palpomeres 1–5 (μm): 40 –50, 43 (6); 60 –75, 68 (5); 125–153, 139 (7); 138–170, 156 (7); 220–265, 246 (7). Pm 4 1.1–1.2 times as long as Pm 3; Pm 5 1.5–1.7 times as long as Pm 4. | ||
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BibTeX: @article{Niitsuma2013Zootaxa3664, RIS/ Endnote: TY - JOUR Wikipedia/ Citizendium: <ref name="Niitsuma2013Zootaxa3664">{{Citation |
Ordo: Diptera
Familia: Chironomidae
Genus: Ablabesmyia
Name
Ablabesmyia lata Niitsuma, Hiromi, 2013 – Wikispecies link – Pensoft Profile
- Ablabesmyia lata Niitsuma, Hiromi, 2013, Zootaxa 3664: 500-501.
Materials Examined
Type material.Holotype male (SUM-IC-T0482), JAPAN: Gifu, Mino, Nagara River, 12.ix. 2009 (adult emerged 18.ix. 2009). Paratypes. 1 male (SUM-IC-T0477), same locality as holotype, 4.v. 2008 (adult emerged 11.v. 2008); same data as holotype except 6 males (SUM-IC-T0483, T0485–T0489, adults emerged 20–26.ix. 2009).
Etymology
Etymology. From Latin latus, broad, referring to the prominent lateral lobe in the aedeagal complex.
Description
Description. Male (n = 8). Body length 2.4 –3.0, 2.7 mm. Colouration. Thorax yellow with dark brown scutal vittae, anepisternum II, preepisternum, scutellum and postnotum. Abdomen pale yellow with dark markings; tergites III–V with 3 dark brown spots anteromedially and anterolaterally, but anteromedial spots occasionally absent; tergites VI–VIII mostly dark brown; hypopygium pale yellow. Wing (Fig. 64) 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 separating into 2 spots. Subbasal and median bands on foretibia located 0.75–0.79 and 0.38–0.41, respectively, from apex of tibia. Head. Temporals 19 –24, 22, multiserial except uniserial postorbitals. AR 1.1–1.4. Clypeus rounded with 22 – 32, 27 setae. Lengths of palpomeres 1–5 (μm): 40 –50, 43 (6); 60 –75, 68 (5); 125–153, 139 (7); 138–170, 156 (7); 220–265, 246 (7). Pm 4 1.1–1.2 times as long as Pm 3; Pm 5 1.5–1.7 times as long as Pm 4. Thorax. Aps 7 –10, 8; Ac 41 –53, 44 (5), biserial between median scutal vittae, diverging posteriorly; Dc 16 –21, 18, uniserial, becoming biserial anteriorly; H 6 –12, 9; Pa 14 –23, 18; Su 1; Scts 27 –39, 32. Wing. Length 1.5–1.9, 1.7 mm. Squama with 27 –37, 30 setae. VR 0.81–0.87. Legs. Spur on foretibia 35 –43, 38 μm long, with 9 (3) lateral teeth. Spurs on mid tibia 45 –53, 48 and 25 –35, 30 μm long, with 7 –8, 7 (3) and 5 (6) lateral teeth, respectively; inner spur 1.5–1.8 times as long as outer spur. Spurs on hind tibia 50 –60, 54 and 28 –35, 32 μm long, with 4 –6, 5 (5) and 3 –4, 3 (3) lateral teeth, respectively; inner spur 1.5–1.8 times as long as outer spur; hind tibial comb consisting of 4 –5, 4 bristles. All legs with subapical pseudospurs on ta 1–2 or ta 1–3; claws pointed apically, each with 2 long and 3–4 short basoventral spines. Lengths and proportions of leg segments as in Table 6.
fe ti ta1ta2ta3ta4ta5LR BR P1 545–677 586–737 434–535 263–333 202–253 152–172 91–111 0.69–0.78 4.0–4.6 624 687 498 (7)303 (7)229 (7)166 (7)105 (7)P2 606–758 556–697 485–586 242–293 182–222 131–152 81–101 0.82–0.89 5.7–7.2 699 645 550 (6)274 (6)212 (6)143 (6)94 (6)P3 545–677 667–869 657–737 333–384 253–293 172–182 101–111 0.84–0.88 5.6–6.3 625 792 694 (4)359 (4)270 (4)177 (4)106 (4) Hypopygium (Fig. 65). Tergite IX with 2 –4, 3 lateral setae. Gonocoxite 95–118, 107 μm long; dorsal lobe 15 – 20, 18 (7) μm long, with setal fringe along almost full length; blade 33 –40, 37 (7) μm long, curved and apically sharp-pointed; lateral lobe 40 –50, 46 (7) μm long, broad, with apex pointed; lateral filaments not evident (Fig. 66). Gonostylus 125–140, 134 μm long, 1.2–1.3 times as long as gonocoxite, with apically acute megaseta. Female, pupa and larva. Unknown.
Discussion
Remarks. The male of A. (K.) lata most resembles that of A. (K.) makarchenkoi in the aedeagal complex with a broad lateral lobe, but differs from the latter in the dorsal lobe with a setal fringe along its almost full length. A. (K.) makarchenkoi has a dorsal lobe with a setal brush at the apex.
Taxon Treatment
- Niitsuma, Hiromi; 2013: Revision of the Japanese Ablabesmyia (Diptera: Chironomidae: Tanypodinae), with descriptions of three new species, Zootaxa 3664: 500-501. doi
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