Polyplectropus, Ulmer, 1905

Cartwright, David I. & Wells, Alice, 2025, Revision of the Polycentropodidae of Australia (Insecta: Trichoptera). Part I. The genus Polyplectropus Ulmer, 1905, Zootaxa 5666 (4), pp. 567-576 : 570

Key to males of Polyplectropus from Australia

1 Inferior appendages, in lateral view, appear subovate ( Fig. 3 ); tergum X with slender, elongate dorsobasal process of a preanal appendage posteriorly ( Figs 3, 5 ) NSW, Vic., Tas....................................... P. lascusalbinae Kimmins

- Inferior appendages, in lateral view, appear elongate, not subovate; tergum X without slender, elongate dorsobasal process of a preanal appendage posteriorly ( Figs 6, 9 ).................................................................. 2

2 Inferior appendages, in lateral view, broadest in posterior half ( Fig. 6 ) NT,,N-WA...... P. berryensis Cartwright & Dostine

- Inferior appendages, in lateral view, broadest in basal half ( Figs 12 , 15 ).......................................... 3

3 Inferior appendages, in lateral view, appear to have acute projection ventrobasally ( Figs 9, 12 ) NE-Qld.. P. anakope sp. nov.

- Inferior appendages, in lateral view, appear without acute projection ventrobasally ( Figs 15, 18, 21 )................... 4

4 Inferior appendages, in ventral view, form a narrow postero-mesal angle, without small peg-like spines posteriorly ( Fig. 16 ) NT, NE Qld................................................................. P. bamboosa Cartwright & Dostine

- Inferior appendages, in ventral view, form a wide postero-mesal angle, with small peg-like spines posteriorly ( Figs 19, 22 ) EC Vic................................................................................. P. lochensis sp. nov.

Figures

FIGURES 3–14. Male genitalia of Polyplectropus treated in this study. 3–5, Polyplectropus lascusalbinae Kimmins (CT- 848): 3, lateral view; 4, ventral view; 5, dorsal view. 6–8, Polyplectropus berryensis Cartwright & Dostine (PT-1101): 6, lateral view; 7, ventral view; 8, dorsal view. 9–14, Polyplectropus anakope sp. nov. (PT-1821) (drawings): 9, lateral view; 10, ventral view; 11, dorsal view; (photos): 12, lateral view; 13, ventral view; 14, dorsal view. Abbreviations: d. pro. pre. app. = dorsobasal process of preanal appendage; inf. app. = inferior appendage; s. IX = sternum IX; pre. app. = preanal appendage.

FIGURES 15–23. Male genitalia of Polyplectropus treated in this study.15–17, Polyplectropus bamboosa Cartwright & Dostine (CT-791): 15, lateral view; 16, ventral view; 17, dorsal view. 18–23, Polyplectropus lochensis sp. nov. (CT-899) (drawings): 18, lateral view; 19, ventral view; 20, dorsal view; (photos): 21, lateral view; 22, ventral view; 23, dorsal view.