Diaparsis (Diaparsis) zealandica Khalaim & Ward,

Khalaim, Andrey I. & Ward, Darren F., 2018, Tersilochinae (Hymenoptera: Ichneumonidae) from New Zealand. Part 1. Generic key and three new genera, Zootaxa 4425 (1), pp. 41-77: 66

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Diaparsis (Diaparsis) zealandica Khalaim & Ward

sp. nov.

Diaparsis (Diaparsis) zealandica Khalaim & Ward  , sp. nov.

( Figs 28View FIGURES 27–31, 82–87View FIGURES 80–87)

Comparison. Diaparsis zealandica  differs from the Australian species by characters given in the key below.

1. Propodeum with basal part almost as long as apical area ( Fig. 86View FIGURES 80–87); apical area anteriorly broadly rounded ( Fig. 86View FIGURES 80–87). Flagellum very slender, with flagellomeres 2–4 more than 3.0× as long as broad ( Fig. 82View FIGURES 80–87). Ovipositor with apex strongly upcurved ( Fig. 87View FIGURES 80–87), its sheath about 3.0× as long as first tergite. New Zealand................................ D. zealandica  sp. nov.

- Propodeum with strong basal keel which is about 0.35× as long as apical area; apical area anteriorly roundly pointed. Flagellum less slender, flagellomeres 2–4 about twice as long as broad. Ovipositor weakly and gradually upcurved its entire length, with sheath 2.2× as long as first tergite. Australia....................................... D. proterva Khalaim, 2008 

Description. Female. Body length 4.3 mm. Fore wing length about 3.1 mm.

Head densely granulate, impunctate, strongly and roundly narrowed behind eyes in dorsal view, gena short ( Fig. 83View FIGURES 80–87). Flagellum very slender, with 18–20 flagellomeres ( Fig. 82View FIGURES 80–87); flagellomeres 2–3 more than 3.0×, subapical flagellomere about 1.5× as long as broad. Upper tooth of mandible longer than the lower. Malar space very long, about 1.3× as long as basal mandibular width. Clypeus smooth in lower part; very finely granulate and sparsely punctate in upper part. Face with weak prominence centrally.

Mesosoma densely granulate, impunctate or sometimes with very indistinct punctures on mesoscutum and mesopleuron ( Figs 83, 85View FIGURES 80–87). Notaulus as sharp and strong wrinkle ( Fig. 85View FIGURES 80–87). Foveate groove of mesopleuron situated in centre of mesopleuron, strongly oblique, rather shallow, with fine transverse wrinkles. Propodeum ( Fig. 86View FIGURES 80–87) with basal part about as long as apical area; basal keel often partly or entirely indistinct and propodeum dorsally is more or less irregularly wrinkled; transverse carina strong; apical longitudinal carinae weak to well developed; apical area very broad, flat, widely rounded anteriorly. Propodeal spiracle separated from pleural carina by about 3.0× diameter of spiracle.

Fore wing with vein R1 not reaching apex of the wing. Vein 2m-cu weakly postfurcal. Vein 2rs-m thick, longer than abscissa of M between 2rs-m and 2m-cu. Postnervulus intercepted distinctly below its middle. Hind wing with vein cu1&cu-a somewhat reclivous. Legs very slender. Hind femur 5.2× as long as broad and 0.8× as long as tibia ( Fig. 84View FIGURES 80–87). Hind leg with second trochanter fused with femur. Tarsal claws weakly curved, not pectinate.

First tergite of metasoma slender, 4.2× as long as posteriorly broad, round in cross-section centrally, smooth and shining, petiole weakly separated from postpetiole in dorsal view. Glymma absent. Second tergite 2.2× as long as broad anteriorly. Thyridial depression 2.0–3.0× as long as broad. Ovipositor with apex strongly upcurved, with very shallow dorsal subapical depression ( Fig. 87View FIGURES 80–87); sheath about 3.0× as long as first tergite.

Body black. Clypeus yellow in its lower part and blackish in upper part. Mandible (except reddish teeth), palpi and tegula yellow. Antenna mostly black, yellow-brown basally. Pterostigma brown. Legs brownish yellow, hind and sometimes also mid coxa basally blackish, all tarsi infuscate. Metasoma behind first tergite yellow ventrally to dark brown dorsally, tergites mostly yellowish banded posteriorly.

Male. Unknown.

Molecular data. BOLD:AAV1987.

Etymology. Named after the type locality, New Zealand.

Material examined. Holotype. Female ( NZAC), New Zealand, BR, Lake Rotoiti, Malaise trap, 1–12.I.1976, A.K. Walker, NZAC04036726View Materials. 

Paratypes. BP: 1 ♀ ( EMUS) Rotorua, 21–25.IX.1970, John Bain. CL: 1 ♀ ( NZAC) Kauaeranga Valley, Thames, Malaise trap, 29.XI.1970, H.A. Oliver. HB: 1 ♀ ( NZAC) Little Bush, Puketitiri, 20.II.1986, T.H. Davies. MC: 1 ♀ ( ZISP) Lincoln, buckwheat, 29.I.1997, M. Bowie.

Distribution. North Island: CL, BP, HB. South Island: BR, MC.


New Zealand Arthropod Collection


Zoological Institute, Russian Academy of Sciences