Dinotoperla walkeri Dean & St Clair

Mynott, Julia H, Suter, Phillip J & Theischinger, Gunther, 2017, Revision of the genus Dinotoperla Tillyard, 1921 (Plecoptera: Gripopterygidae) using morphological characters and molecular data: Establishes two new genera, three new species and updates the larval taxonomy, Zootaxa 4224 (1), pp. 1-76 : 44

Dinotoperla walkeri Dean & St Clair

( Fig. 25 A–D)

Larva. Remarks. Adults and larvae described by Dean & St Clair (2006). Association by rearing.

Material examined: Victoria: 2 x larvae: Hopkins Falls, Hopkins River . - 38.33255 142.61962. Collected: 18- Oct-04, Collectors: EPA Victoria, Accession numbers: JMH964, JMH983 . 1 x adult male: Wannon River . Nigretta. -37.65573, 141.92374. Collected: 18-Nov-09, Collectors: J Webb, Accession number: JMH1170. 1 x larva: Wannon River . Nigretta. -37.65573, 141.92374. Collected: 18-Nov-09, Collectors: J Webb, Accession number: JMH1680. 1 x adult male: Tullaroop Creek at Mt Cameron-Cotwalds Road. -37.18289, 143.84096. Collected: 29- Aug-10, Collectors: Z Billingham, Accession number: JMH1180.

Length: 9.6–11.4 mm

Colour: Dark brown, almost black.

Body: Robust.

Head: Antennae short, as long as head and thorax, approximately 30–40 segments; robust, length to width ratio equal at mid-length of antennae.

Thorax: Pronotum wider than long, corners rounded, anterior and posterior margins convex; setae inconspicuous. Meso- and meta-nota with conspicuous pale knob-like boss near the base of all four wingpads.

Legs: Robust; outer margins of femora and tibiae with dense fringe of long setae, less dense series of shorter setae on tarsi. Femora with longitudinal darker band near outer margin and usually with less distinct band near inner margin. Tibiae with dark longitudinal band.

Abdomen: Tergites with four small dark spots spaced across segment; tergum 10 densely covered with simple

Figures

FIGURE 25. Dinotoperla walkeri: (A) dorsal overview; (B) dorsal surface of thorax; (C) dorsal view of hind leg; (D) hind tergites showing setation on the segment surface and hind margin of tergite X.