Acaraptera waipouensis Heiss 1990
Creators: name: Larivière, Marie-Claude
name: Larochelle, André
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Aradidae
Acaraptera
Acaraptera waipouensis

description: Acaraptera waipouensis Heiss, 1990
Fig. 34, 50–51, 74
Acaraptera waipouensis Heiss, 1990: 393. Holotype: male (NZAC) labeled “ NEW ZEALAND, ND: Waipoua State For. [= Forest], c. 150 m., Toronui Track, April 13, 1980 A. Newton & M. Thayer (typed) / kauri, podocarp, broadleaf, nikau palm forest leaf & log litter ---------------------- See NZJZ 1976 v.3, p. 69 for Code letters (typed) / If designated as holotype specimen must be returned to New Zealand. (green label; typed) / HOLOTYPUS (typed) Acaraptera waipouensis n. sp. (hand-written) E. Heiss 1989 (typed except 89) (red label).” Photo of holotype and associated labels (Larivière and Larochelle 2004: 226). Paratypes: 10 males, 15 females (AMNH, NZAC, E. Heiss Collection) from ND–Waipoua Forest (Kauri Rickers Track; Toronui Track; Wairau Summit; Waikohatu [Stream] Bridge; Yakas Tree Track); Intamoe [= Tutamoe] Range, North Dargaville.
Description (incrustation removed). Body length about 3.0 mm (male), 3.4 mm (female). Dorsal color (male, female) similar to A. myersi. Eyes reddish. Antennae and legs slightly paler than main body. Ventral color mostly matching dorsal color. Head. Genae slightly longer than clypeus. Antenniferous tubercles broadly subtriangular (inner margin subrectilinear to slightly concave), their apices bluntly rounded and subparallel. Antennae. Segment I narrowed, smooth in basal third, then thickened; II slightly curved basally, gradually thickened toward apex; III pedunculate in basal third, gradually thickened toward apex; IV fusiform, pilose in apical fourth. Thorax. Pronotum about 3.0× wider than long medially, including collar (male), 3.5× (female). Anterior margin subrectilinear or slightly concave medially. Anterolateral angles rounded-subquadrate (often strongly angular in female), barely produced in front of collar, extending along entire anterior margin and reaching close to sides of collar. Lateral portions with four rather small irregularly shaped plates and, submarginally, a finely granulate to nearly smooth, curved to slightly angular bead extending from anterior margin and ending some distance before posterior margin. Mesonotum. Lateral margins subrectilinear. Metanotum distinctly separated from dmtg I of abdomen. Disc moderately to strongly elevated, bearing a pair of small longitudinal plates. Lateral portions with one or two longitudinal sulci near anterior margin and three to four irregularly shaped plates (sometimes barely elevated). Abdomen. Dmtg I–II separated medially, fused to each other laterally. Disc of each segment strongly elevated, bearing a pair of small longitudinal plates flanked by two faint, small, rounded callosities or spots, each adjacent to a short, longitudinal suture and in line with inner apodemal spots on dltg III–VI. Fused lateral portions with a pair of small, rounded callosities or spots in line with outer row of apodemal spots on dltg III–VI. Tergal plate (dmtg III–VI). Surface with or without faint longitudinal carinae between inner and outer apodemal markings, without faint carinae around outer apodemal markings; inner and outer rows of markings made of distinct, suboval to rounded, smooth spots. Dmtg VII moderately elevated posteromedially (male); lateral margins convex (female). Connexivum slightly reflexed toward apex (male), flat or slightly reflexed (female). Posterolateral angles of dltg III–IV rounded-subquadrate, unproduced or faintly produced, V–VI slightly more rounded and produced (VI slightly reflexed), VII rounded-subtriangular, slightly thickened, slightly produced and reflexed (male); III–VI rounded, unproduced or faintly so, VII rounded, not distinctly thickened, unproduced or faintly so, flat (female). Male genitalia. Right paramere (Fig. 34, outer lateral view) with broad subrectangular head and short shaft; anterior margin of head slightly subrectilinear, with rounded-subtriangular projection.
Other characters as in A. myersi.
Material examined. 158 specimens (AMNZ, NZAC).
Geographic distribution (Fig. 74). North Island: ND–Mangamuka Gorge (AMNZ). Mangamuka Gorge Walkway (NZAC). Mangamuka Hills (AMNZ), summit (AMNZ). Mangamuka [Summit] Walkway (NZAC). Mitimiti (NZAC). Mount Whakaangi, East side (AMNZ). Puketi Forest (NZAC) ([Upper] Waipapa [River] Track, 1 km West of Headquarters (NZAC); Waitahere Stream Track, near Waiare Road (NZAC)). Tutamoe Range (E. Heiss Collection, NZAC). Waipoua Forest (NZAC), 1 km E of Headquarters (NZAC); Headquarters road beside river (NZAC); Kauri Rickers Track (NZAC); Te Matua Ngahere (NZAC); Toatoa Track (NZAC); Toronui Track (NZAC); Wairau Summit (AMNH, NZAC); Waikohatu [Stream] Bridge (AMNH); Yakas Tree Track (AMNH). Warawara State Forest (NZAC).
Biology. Altitudinal range. Lowland to lower montane (up to 700 m). Habitat. Occurs in broadleaf-podocarp forests with relatively abundant podocarps (e.g., Agathis, Dacrydium) or good Beilschmiedia cover. Collected in large numbers in leaf litter,leaf and twig litter, or decaying wood litter along or under fallen rotting branches, dead fallen trees, and decaying logs; found in small numbers on the moist, moldy bark from the underside of fallen rotting branches. Seasonality. Adults: throughout most of the year (abundant in December–January). Tenerals: September–January (abundant in January), May–July. Nymphs: September, January, probably also May–June. Mating probably occurs in December–January.
Remarks. The holotype is a slightly teneral individual, paler than reddish brown to brownish black color characteristic of A. waipouensis. Acaraptera waipouensis is easily distinguished from A. myersi by features of the male parameres and characters given in the key to species. This species is widespread in the western rainforests of Northland (ND). It had previously been recorded only from the Waipoua Forest and the Tutamoe Range.
description: Published as part of Larivière, Marie-Claude & Larochelle, André, 2022, Synopsis of the subfamily Carventinae in New Zealand (Heteroptera: Aradidae), pp. 1-54 in Insecta Mundi 2022 (961) on pages 12-13, DOI: 10.5281/zenodo.7399305