Oecetis, McLachlan, 1877

Wells, Alice, 2006, A review of Australian long-horned caddisflies in the Oecetis pechana-group (Trichoptera: Leptoceridae), with descriptions of thirteen new species, Memoirs of Museum Victoria 63 (2), pp. 107-128 : 108

Key to males of Oecetis species groups in Australia [Modified from Wells, 2004]

1. Abdominal tergite VIII sculptured, expanded and extended distally, forming shield over terminal abdominal segments and genitalia reticulata -group (see Neboiss, 1989: fig. 2)

— Abdominal tergite VIII unmodified 2

2. Wings with veins strongly pronounced, fork 1 without a footstalk (sessile) longiterga -group (see Wells, 2004: figs 91, 94)

— Wings with veins not strongly pronounced, fork 1 with or without footstalk 3

3. Phallus simple, lacking parameres laustra -group (see Wells, 2004: figs 18, 46, 59)

— Phallus with 1 or more internal or external parameres or spines 4

4. Forewingfork 1 sessile, winglaminaoftenbearingpatches of scales (androconia) (fig. 1); phallus usually with a single internal paramere or spine, never with more than 1 spine associated with the phallus (e.g. figs 3 8) pechana -group (see below)

— Forewing fork 1 stalked, wing never bearing patches of scales; phallus with 1 or more external parameres (spines of the phallotheca) complexa -group (see Wells, 2000: figs 25, 26–33)