Ophion importunus Schwarzfeld

Schwarzfeld, Marla D. & Sperling, Felix A. H., 2014, Species delimitation using morphology, morphometrics, and molecules: definition of the Ophionscutellaris Thomson species group, with descriptions of six new species (Hymenoptera, Ichneumonidae), ZooKeys 462, pp. 59-114 : 85

Taxon classification Animalia Hymenoptera Ichneumonidae

Ophion importunus Schwarzfeld sp. n. Figures 10c, 11c; Plate 3

Type material.

Holotype: ♀ (MS12343, DNA6907, GenBank KF594814, KF615963, KF616346) CAN: AB: 8 km NW of Winfield, Bird East Poplar Creek quarter, mixed woods, 900m; 53.01 -114.5; 15 v 2010; UV; C.D.Bird (CNC).

Paratypes: 2 ♀♀. CAN: AB: 1 ♀ (MS13904) 8 km NW of Winfield, Bird East Poplar Creek quarter, mixed woods, 900m, 53.01 -114.5, 21 v 2011, UV, C.D.Bird (CNC). ON: 1 ♀ (MS12153) Bells Corners, Stony Swamp, 45.295 -75.83, 3 v 2010, MV light, J.Dombroskie, B.C.Schmidt (CNC).

Etymology.

This species is most similar to Ophion idoneus . Since idoneus is the Latin word for “suitable” or “proper”, the name for this species is derived from the Latin word importunus , meaning “unsuitable”.

Diagnosis.

Similar to Ophion idoneus , but can be recognized by the larger size, LMC convergent but not meeting (thus propodeum lacks Y-shaped carinae), and the long ramellus. Wing L: 12.6-13.3 mm, Flag: 54-57.

Description.

Head: Eyes weakly convergent in frontal view; stemmaticum weakly raised, sulci not complete; IOD/OL: 0.53-0.85, OOD: 0.15-0.23; occipital carina rounded, very slightly rippled or wavy, OC/OL: 0.80-1.00; temple receding, approximately equal to eye width in lateral view; clypeus convex, weakly coriaceous, with small regular punctures only slightly larger than on face, separated by approximately their diameter, CH/CAW: 50-0.60; face subpolished with very small punctures separated by slightly more than their diameter in the centre and slightly less on the sides; FW/FH: 1.25-1.29; antennae with 54-57 flagellomeres, F1: 3.43-3.69; F20: 1.54-1.83; MS/MS: 0.46-0.58; GI/MW: 0.46-0.54.

Mesosoma: Mesoscutum subpolished with very small regular punctures separated by 1 –2× their diameter; mesopleuron and metapleuron coriaceous, strongly closely punctate, punctures separated by less than their diameter; area of mesopleuron above mesopleural fovea subpolished with minute punctures separated by 1 –3× their diameter; epicnemial carina: pleurosternal angle obtuse, rounded; scutellum with lateral carina strong along most of length, SL/SW: 1.55-1.60; Propodeum: ATC strong, moderately arched above ASu; PTC present along AJC, otherwise absent; MLC very weak and weakly convergent along ASu, stronger at apex of ASu, obsolete and represented by strongly convergent wrinkles along AP; LLC represented by indistinct wrinkles along AJC, otherwise absent; PC strong, sometimes weakly connected to spiracle by an obsolete carina; spiracular area sloping, subpolished with small punctures separated by less than their diameter; posterior area wavy-wrinkled with very shallow punctures basally, more wrinkled apically.

Wings: Wing L: 12.6-13.3 mm, CI: 0.60-0.67, AI: 1.58-1.89, SDI: 1.06-1.22, ICI: 0.62-0.80, wings with veins black, stigma reddish-brown with apex whitish-gray, ramellus long, fenestra not extending below prestigma.

Legs: CL/CW: 1.61-2.00, FL/FW: 8.25-8.87, MT1/MT2: 2.19-2.26; MTS: 0.79-0.87.

Metasoma: Expansion from petiole to postpetiole somewhat abrupt.

Colour: Reddish-orange, orbits and sometimes mandibles yellow, tegula and dorsal part of mesepimeron yellowish, scutellum slightly paler than base colour.

Seasonality.

All three collection records are in May.