Ablabesmyia metica (Oliveira, Caroline S. N., Fonseca-Gessner, Alaíde A. & Silva, Mário Antônio Navarro 2008)

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Oliveira, Caroline S. N., Fonseca-Gessner, Alaíde A., Silva, Mário Antônio Navarro (2008) The immature stages of Ablabesmyia (Sartaia) metica Roback, 1983 (Diptera: Chironomidae) with keys to subgenera. Zootaxa 1808 : 62 – 66, doi. Versioned wiki page: 2017-06-22, version 149257, https://species-id.net/w/index.php?title=Ablabesmyia_metica_(Oliveira,_Caroline_S._N.,_Fonseca-Gessner,_Ala%C3%ADde_A._%26_Silva,_M%C3%A1rio_Ant%C3%B4nio_Navarro_2008)&oldid=149257 , contributors (alphabetical order): PlaziBot.

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BibTeX:

@article{Oliveira2008Zootaxa1808,
author = {Oliveira, Caroline S. N. AND Fonseca-Gessner, Alaíde A. AND Silva, Mário Antônio Navarro},
journal = {Zootaxa},
title = {The immature stages of Ablabesmyia (Sartaia) metica Roback, 1983 (Diptera: Chironomidae) with keys to subgenera},
year = {2008},
volume = {1808},
issue = {},
pages = {62 -- 66},
doi = {TODO},
url = {},
note = {Versioned wiki page: 2017-06-22, version 149257, https://species-id.net/w/index.php?title=Ablabesmyia_metica_(Oliveira,_Caroline_S._N.,_Fonseca-Gessner,_Ala%C3%ADde_A._%26_Silva,_M%C3%A1rio_Ant%C3%B4nio_Navarro_2008)&oldid=149257 , contributors (alphabetical order): PlaziBot.}

}

RIS/ Endnote:

TY - JOUR
T1 - The immature stages of Ablabesmyia (Sartaia) metica Roback, 1983 (Diptera: Chironomidae) with keys to subgenera
A1 - Oliveira, Caroline S. N.
A1 - Fonseca-Gessner, Alaíde A.
A1 - Silva, Mário Antônio Navarro
Y1 - 2008
JF - Zootaxa
JA -
VL - 1808
IS -
UR - http://dx.doi.org/TODO
SP - 62
EP - 66
PB -
M1 - Versioned wiki page: 2017-06-22, version 149257, https://species-id.net/w/index.php?title=Ablabesmyia_metica_(Oliveira,_Caroline_S._N.,_Fonseca-Gessner,_Ala%C3%ADde_A._%26_Silva,_M%C3%A1rio_Ant%C3%B4nio_Navarro_2008)&oldid=149257 , contributors (alphabetical order): PlaziBot.

M3 - doi:TODO

Wikipedia/ Citizendium:

<ref name="Oliveira2008Zootaxa1808">{{Citation
| author = Oliveira, Caroline S. N., Fonseca-Gessner, Alaíde A., Silva, Mário Antônio Navarro
| title = The immature stages of Ablabesmyia (Sartaia) metica Roback, 1983 (Diptera: Chironomidae) with keys to subgenera
| journal = Zootaxa
| year = 2008
| volume = 1808
| issue =
| pages = 62 -- 66
| pmid =
| publisher =
| doi = TODO
| url =
| pmc =
| accessdate = 2020-02-28

}} Versioned wiki page: 2017-06-22, version 149257, https://species-id.net/w/index.php?title=Ablabesmyia_metica_(Oliveira,_Caroline_S._N.,_Fonseca-Gessner,_Ala%C3%ADde_A._%26_Silva,_M%C3%A1rio_Ant%C3%B4nio_Navarro_2008)&oldid=149257 , contributors (alphabetical order): PlaziBot.</ref>


Taxonavigation

Ordo: Diptera
Familia: Chironomidae
Genus: Ablabesmyia

Name

Ablabesmyia metica Roback, 1983Wikispecies linkPensoft Profile

Materials Examined

Material examined:BRAZIL: São Paulo State, São Carlos, UFSCar, Mayaca pond, 2 males with associated pupa and larva exuviae (slide-mounted in Euparal), 13.iv. 2004, C.S.N. Oliveira; as previous except 2 males, 01.xii. 2002, S. Trivinho-Strixino; São Paulo State, Luís Antônio, Estação Ecológica Jataí, Óleo pond, 2 males, 25.vii. 2003, S. Trivinho-Strixino. Diagnostic characters. The male lacks blade on the volsella (“aedeagal complex” Roback 1985), and the gonostylus is shorter and more sinuate than in other known Ablabesmyia species. In addition A. (S.) metica has lateral tufts of setae on the ninth abdominal segment. The pupa has the aeropyle tube ending apically on the thoracic horn and the apical nipple is evident. It can be separated from other Ablabesmyia species in having shagreen on abdominal tergites consisting of simple spines in arches and thoracic horn with dense, fine, oval-type of reticulation. The larva has palp with three segments, two sclerotized and one membranous. It can be separated from other Ablabesmyia species by having the margin of ligula concave and toothed, by having six apical setae on procercus and a procercus L/W of 3.2–3.7.

Description

Male (n = 6) Total length 2.06–2.74, 2.28 mm. Wing length 1.36–1.71. 1.47 mm. Total length / wing length 1.51–1.60, 1.55. Wing length / length of profemur 2.60–2.69, 2.65. Coloration. Head and thorax brown. Wing membrane transparent, veins darker, with six brown spots and four dark brown spots on r-m, m-cu, R 1 -R 3, and R 4 + 5 as in Figure 1. Legs yellow with brown bands (Fig. 2). Forefemur with four bands: one incomplete sub-basal, two medially and one apically. Midfemur with two bands: one medially and one incomplete preapically. Hind femur with single preapical band. All tibiae with three bands: one sub-basal, one medially and one apically. First tarsomeres with two bands: one medially and one apically; second and third tarsomeres with single band apically; fourth and fifth tarsomeres entirely brown. Abdomen with brown spots (Fig. 3). Hypopygium yellow (Fig. 4). Head. AR 1.24–1.47, 1.37; flagellum 800–1062, 907 µm long. Palp segment lengths (in Μm): 35 –50, 48; 60 –92, 77; 100–122, 113; 105–130, 119; 182–225, 207. Thorax. Acrostichals 50, dorsocentrals 11–17, supraalars 8–10, humeral 1. Scutellum with 50–55 setae in double row. Wing (Fig. 1) 0.45–0.50, 0.46 mm wide. Costal extension 83–146, 120 µm long. Legs. Foretibia (Fig. 5) with single pectinate spur, 33–47 34 Μm long; midtibia (Fig. 6) with two pectinate spurs, 30 –33, 33 and 47 –55, 50 Μm long; hind tibiae (Fig. 7) with two pectinate spurs, 33 –43, 35 and 52 –55, 53 Μm long. Length and proportion of legs as in Table 1.

Hypopygium (Fig. 4). Tergite IX with two dorsal setae. Transverse sternapodeme 30 – 21 Μm long; phallapodeme 60 – 46 Μm long. Gonocoxite 105–140, 124 Μm long. Gonostylus 73 –100, 86 Μm long, with slender subapical seta; megaseta 15 –22, 18 Μm long, spoon-shaped. HR 1.10–1.86, 1.47. Pupa (n = 2) Coloration. Pale yellow. Thoracic horn with brown respiratory atrium. Cephalothorax. Wing sheath 0.9 –1.0 mm long. Thoracic horn (Fig. 8) oval, 318–407 Μm long, 181–233 Μm wide, reticulation of respiratory atrium indistinct, lumen homogeneous, preapical papilla and plastron plate absent, aeropyle tube sinuate with single membranous lobe, 110 Μm long with club-shaped apex (Fig. 9), basal lobe protuberant. Thoracic comb with 8–9 conical teeth. Frontal apotome dome-shaped as in Figure 10. FIGURES 8–14.Ablabesmyia (Sartaia) metica Roback, 1983, pupa. 8. Thoracic horn with basal lobe and medial row of teeth. 9. Apex of thoracic horn showing aeropyle tube. 10. Frontal apotome. 11. Abdomen, left: dorsal aspect, right: ventral aspect. 12. Shagreen. 13. Anal lobe and genital sac. 14. Setal arrangement on AIV, left: dorsal aspect with dorsal setae (D 1-6), lateral seta (L 1) and dorsal pore (DP), right: ventral aspect with ventral setae (V 1 and V 2) and lateral setae (L 2). Abdomen (Fig. 11). Tergites entirely covered with shagreen consisting of small spinules in arcs. (Fig. 12). Tergite I with elongate scar. Chaetotaxy of abdomen as in Figure 4. Segment IV (Fig. 14) with 7 dorsal setae, 2 lateral setae and 2 ventral setae. Tergites VI–VII with single protuberance on each side (Fig. 11). Segment VII with four taeniae, LS 1 ratio 0.3 from anterior margin. Segment VIII with five taeniae, LS 1 ratio 0.2–0.3 from anterior margin. Anal lobe (Fig. 13) 368–384 Μm long, triangular, with two taeniae, LS 1 ratio 0.2–0.3 from anterior margin, inner margins with fine spinules. Male genital sac (Fig. 13) elongate, 200–203 Μm long.

4 th instar larva (n = 2) Coloration. Pale yellow. Apex of mandible, ligula and postoccipital margin brown. Most apical claws on posterior parapod yellow, 2 claws brown. Head capsule (Fig. 15), elongate; cephalic index 0.68–0.70. Chaetotaxy as in Figure 15. Antenna. First antennal segment 312–325 Μm long, with ring organ 175–181 Μm from base. Maxilla (Fig. 16). Palp with 3 segments, palp segment lengths (in Μm): 20 –44, 26–32, 32– 35. Third palp segment membranous. Ring organ 46–75 Μm from base. Mandible (Fig. 17), 112–120 Μm long, with 3 lateroventral setae. Sensilium campaniforme 86–90 Μm from apex. Basal tooth bifid with seta subdentalis, A 1 /MD 2.7. Mentum (Fig. 18). Dorsomental teeth bifid and pseudoradula uniformly granulate. Hypopharyngeal complex (Fig. 19). Ligula 52–62 Μm long, with concave row of 5 teeth. MA 24 Μm long; It/O = 0.8, Mt/O = 0.7–0.8. Paraligula bifid, 33–35 Μm long, inner tooth 29 Μm long, shorter than outer tooth. Pectin hypopharyngis with 12 teeth, the seventh and the tenth larger than others. Abdomen. Without lateral fringe. Procercus 3.2–3.7 times as long as wide, with six 343–500 Μm long anal setae. Supraanal setae simple, 223–337 Μm long. Posterior parapods (Fig. 20) with four hooked claws and eleven simple apical claws.

fe ti ta 1 ta 2 ta 3 ta 4 p 1 553 600–615 461–470 307–323 230 123–138 p 2 569–615 495–553 538–600 307–350 230–246 153 p 3 569–575 661–668 630 338 246 169 continued. ta 5 LR BV SV BR p 1 95–107 0.76 2.05–2.13 0.76–0.77 2.24 c p 2 107 1.00 2.01–2.06 0.70–0.77 2.45 p 3 123 0.94–0.95 2.12–2.13 0.81–0.82 1.50–2.45

Taxon Treatment

  • Oliveira, Caroline S. N.; Fonseca-Gessner, Alaíde A.; Silva, Mário Antônio Navarro; 2008: The immature stages of Ablabesmyia (Sartaia) metica Roback, 1983 (Diptera: Chironomidae) with keys to subgenera, Zootaxa 1808: 62-66. doi
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