Acritoptila disjuncta
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Ordo: Trichoptera
Familia: Hydroptilidae
Genus: Acritoptila
Name
Acritoptila disjuncta Kelley – Wikispecies link – Pensoft Profile
Revised diagnosis
Males are recognised by genitalic features (Figs 1, 2): in ventral view by the conical gonopods with rugose surfaces, ventral to the sharply mesally directed darkly sclerotized subgenital processes with a small median papilla bearing a pair of setae and parameres that are dilated subapically proximal to a narrow constriction; females are readily distinguished by the mid ventral elongate digitiform process on abdominal segment VIII (Figs 24, 25). Males resemble most closely those of Acritoptila chiasma and Acritoptila csavar Oláh & Johanson, 2010a, all three species in lateral view having a pair of curved spines apically on tergite X. However, Acritoptila chiasma and Acritoptila csavar have paired sinuous elongate-slender parameres latero-ventrally, whereas in Acritoptila disjuncta these processes are constricted subapically and hooked apically; and Acritoptila disjuncta has well-developed apico-lateral lobes on abdominal segment IX. Male antennae each with 30–34 flagellomeres; forewing length, 1.9–2.4 mm (n = 10).
Female antennae each with 24–26 flagellomeres; forewing length, 2.1–2.5 mm (n = 10).
Remarks
Acritoptila disjuncta is widespread on the island (Fig. 35) and one of the most commonly collected of Acritoptila species at sites sampled in this study, although it was never as abundant in any collections as Acritoptila crinita. The larval cases, described and figured by Wells (1995)[2], are basically rectangular secretion “purses” (Wells 1995[2]: fig. 19). Many cases had a cover of sponge, always neatly shaped around the case, giving a spindle shape in profile (Fig. 30); it appears that the larva (Fig. 31) may crop the proliferating sponge.
Material examined
Holotype male: New Caledonia, mountain stream up Boulari River, (BPBM); larvae, pupae, Province Sud, Ouenghi River nr Boulouparis, 20.xii.1983, A Wells, (ANIC); numerous males, females Province Sud, Dumbéa river, Branche sud, 22°08.344'S, 166°30.147'E, 42 m, 3.xi.2003, light trap, loc#006, KAJ (NHRS); numerous males, females, Province Sud, W part of Plaine des lacs, 150 m downstream bridge at La Capture, 22°15.967'S, 166°49.493'E, 261 m, 4–22.xi.2003, Malaise trap, loc#007, KAJ (NHRS); 2 females, Province Sud, Col d’Amieu, 319 m, small stony river, loc 23, 21°34.720'S, 165°49.620'E, Malaise trap, 30.xi–5.xii.2001, Johanson, Pape, Viklund (NHRS); 1 female, Province Sud, Col d’Amieu, 323 m, small stony river, loc 24, 21°34.844'S, 165°49.677'E, Malaise trap, 30.xi–5.xii.2001, Johanson, Pape, Viklund (NHRS); 1 female, Province Sud, Col d’Amieu, fauna reserve, 415 m, small forest stream, loc 25, 21°33.830'S, 165°45.584'E, Malaise trap, 30.xi–5.xii.2001, Johanson, Pape, Viklund (NHRS); 3 male, 7 females, Province Sud, stream draining to Marais de la Rivière Blanche, 1.35 km S Pont Pérignon, 22°08.496'S, 166°42.152'E, 180 m, 6–16.xi.2003, Malaise trap, loc#009, KAJ (NHRS); numerous males, females, Province Sud, stream draining to Marais de la Rivière Blanche, 2.25 km SW Pont Pérignon, 22.14158°’S, 166.67993 °E, 157 m, 6–16.xi.2003, Malaise trap, loc#010, KAJ (NHRS); 1 male, Province Sud, Monts Kwa Ne Mwa, on road between Noumea and Yaté, Rivière des Pirogues, 22°11.225'S, 166°43.338'E, 100 m, 7.xi.2003, light trap, loc#016, KAJ (NHRS); 1 male, Province Sud, Mt Dzumac, source stream of Ouinne River, downstream crosspoint to mountain track, 22°01.997'S, 166°28.486'E, 795 m, over about 30 m waterfall, 18.xi–4.xii.2003, Malaise trap, loc#031, KAJ (NHRS); numerous males, females, Province Sud, Tamoa River, 700m S road RT1 between Noumea and La Foa, 22°04.518'S, 166°16.592'E, 19.xi.2003, light trap, loc#033, KAJ (NHRS); numerous males, females, Province Sud, Hwa Hace Mtn, Hwa Motu River, at Pont Wamuttu, 1.0 km E Nassirah, about 200 m upstream bridge, 21°48.094'S, 166°04.298'E, 137 m, 20.xi–12.xii.2003, Malaise trap, loc#034, KAJ (NHRS); 1 male, 3 females, Province Sud, W slope Mt Ningua, Kwé Néco Stream, 3.9 km W summit of Mt Ningua, on Boulouparis-Thio Road, about 50 m upstream road, 21°44.359'S, 166°06.009'E, 117 m, 20.xi–12.xii.2003, Malaise trap, loc#035, KAJ (NHRS); 2 males, 18 females, Province Nord, Amoa River, 23 m, loc 20, 12 km W Poindimié, 22°58.092'S, 165°11.804'E, light trap, 26.xi.2001, Johanson, Pape, Viklund (NHRS); numerous males, females, Province Sud, Couvelée River at Haute Couvelée, 2.8 km SV summit of Mt Piditéré, 3.5 km NNE Dumbéa, 22°07.405'S, 166°28.023'E, 27 m, 28.xi.2003, light trap, loc#052, KAJ (NHRS); 6 males, 7 females, Province Sud, Xwé Pemöu Stream, 300 m N bridge over Dathio River at Atè, 6.2 km WNW Thio, 21.58835°S, 166.15117°E, 13 m, 29.xi.2003, light trap, loc#056, KAJ (NHRS); 1 male, Province Sud, lower part of Dumbéa River, 1.0 km SSW bridge over Dumbéa River at Dumbéa, 22°09.750'S, 166°26.700'E, 0.5 m, 30.xi.2003, light trap, loc#058, KAJ (NHRS); 1 male, numerous females, Province Sud, lower part Rivière des Pirogues, 800 m WNW summit of Mont Imbaah, 4.7 km E Lucky Creek in Plum, 22°18.559'S, 166°41.227'E, 1.3 m, 01.xii.2003, light trap, loc#059, KAJ (NHRS); 3 males, 6 females, Province Nord, 50 m upstream bridge on Hienghène-Tnèdo road, 3.9 km S summit of Mt Tnèda, 2.2 km E Tnèdo, 20°43.085'S, 164°49.928'E, 29 m, 7.xii.2003, light trap, loc#071, KAJ (NHRS); numerous males, females, Province Nord, Wé Caot Stream, draining NNE side of Mt Panié, 0.9 km NW Cascade de Tao, 20°33.311'S, 164°48.064'E, 18.xii.2003, light trap, loc#084, KAJ (NHRS); 1 female, Province Nord, Wan Pwé On Stream, draining NNE side of Mt Panié, 3.9 km NW Cascade de Tao, 20°31.820'S, 164°47.016'E, 18.xii.2003, light trap, loc#085, KAJ (NHRS); numerous males, females, Province Nord, Bouérabate Stream, S Mont Ninndo, along road Barabache-Boulagoma, 20°17.409'S, 164°11.242'E, 60 m, 19.xii.2003–7.i.2004, Malaise trap, loc#089, KAJ (NHRS); numerous males, females, Province Nord, Rivière Néhoué, camp Amenage de Néhoué, 20°25.037'S, 164°13.222'E, 12 m, 19.xii.2003, light trap, loc#090, KAJ (NHRS); numerous males, females, Province Nord, Héémwâ Pwei River, 50 m upstream bridge on Touho-Hienghène road, 1.0 km N Paola, 20.76512°S, 165.10979°E, 22.xii.2003, light trap, loc#095, KAJ (NHRS); numerous males, females, Province Nord, Ponandou Tiôgé River at Kögi, 3.9 km SSW Touho, 20°49.043'S, 165°13.551'E, 25 m, 26.xii.2003, light trap, loc#100, KAJ (NHRS); 1 male, numerous females, Province Sud, W slope Mt Ningua, Kwé Néco Stream, at Camp Jacob, 3.9 km W summit of Mt Ningua, on Boulouparis-Thio Road, about 50 m upstream road, 21°44.083'S, 166°06.298'E, 117 m, 29.xi.2003–12.xii.2003, Malaise trap, loc#053, KAJ (NHRS); 4 males, numerous females, New Caledonia, Province Nord, Plaine des Gaïacs, Rivière Rouge, 14.2 km NW summit of Mt Rouge, 50 m upstream road RT1 Noumea-Koné, 20°31.573'S, 164°46.690'E, 23 m, 2.i.2004, light trap, loc#104, KAJ (NHRS); 1 female, New Caledonia, province Sud, Kuébini River (Kwé Binyi River), 1.4 km N summit of Mt Nokowèito, inland Baie de Tere, 13.5 km SSW Yaté, 22°15.467'S, 167°00.238'E, 1 m, 6.i.2004, light trap, loc#111, KAJ (NHRS); numerous males, females, New Caledonia, Province Nord, 2.8 km ENE Bopope, Rivière Oua Mendiou, 100 m S RPN2 Koné-Poindimié, 20°54.455'S, 165°06.300'E, 78 m, 14.i.2004, light trap, loc#119, KAJ (NHRS).
Taxon Treatment
- Wells, A; Johanson, K; 2014: Review of the New Caledonian species of Acritoptila Wells, 1982 (Trichoptera, Insecta), with descriptions of 3 new species ZooKeys, 397: 1-23. doi
Other References
- ↑ Kelley R (1989) New species of micro-caddisflies (Trichoptera: Hydroptilidae) from New Caledonia, Vanuatu and Fiji. Proceedings of the Entomological Society of Washington 91: 190-202.
- ↑ 2.0 2.1 2.2 Wells A (1995) New Caledonian Hydroptilidae (Trichoptera), with new records, descriptions of larvae and a new species. Aquatic Insects 4: 223-239. doi: 10.1080/01650429509361591
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