Amphipsyche bifasciata Navás, 1931

Uy, Christine Jewel C., Malicky, Hans & Bae, Yeon Jae, 2018, Review of the filter-feeding caddisfly subfamily Macronematinae (Trichoptera: Hydropsychidae) in tropical Southeast Asia, Raffles Bulletin of Zoology 66, pp. 664-703 : 667

Amphipsyche bifasciata Navás, 1931

( Figs. 8–11 )

Amphipsyche bifasciata Navás, 1931: 7 [Holotype male; China

(lost)]; Barnard, 1984: 89 (redescription). Amphipsyche proluta McLachlan ; Banks, 1940: 207; Mosely, 1942:

361 (misidentification).

Diagnosis. Male. Forewing with pale brown mark streak at apex, darker brown stripe across anastomosis; Fork II not stalked ( Fig. 8 ).

Male genitalia. Inferior appendages with basal segment too broad ( Fig. 8 ). Phallus apex with truncate with pair of pointed unsclerotised lobes ( Fig. 11 ).

Distribution. Vietnam.

Remarks. Neither the holotype (lost) nor other specimens were available. The male wing ( Fig. 8 ) and male genitalia ( Figs. 9–11 ) were redrawn from Barnard (1984: Figs. 22–27 ) and diagnosis was described based on the redrawn figures.

Figures

Figs. 8–16. Amphipsyche bifasciata. 8, right forewing; Male genitalia: 9, lateral; 10, phallus lateral; 11, phallus tip. Amphipsyche exsiliens. 12, right fore- and hind wing; Male genitalia: 13, lateral; 14, segment X dorsal; 15, phallus lateral; 16, phallus tip. Scale: 8, 12 = 2 mm; 9–11, 13–16 = 0.25 mm (8–16 redrawn from Barnard, 1984).

Figs. 17–36. Amphipsyche gratiosa. 17, right forewing; Male genitalia: 18, lateral; 19, segment X dorsal; 20, phallus lateral; 21, phallus tip. Amphipsyche magna. Male genitalia: 22, lateral; 24, phallus lateral; 25, phallus tip; 23, thorax. Amphipsyche meridiana. 26, right forewing; Male genitalia: 27, lateral; 28, segment X dorsal; 29, phallus lateral; 30, phallus tip. Amphipsyche parva. Male genitalia: 31, lateral; 32, phallus lateral; 33, phallus tip. Amphipsyche petiolata. 34, lateral; 35, phallus lateral; 36, phallus tip. Scale: 17, 26 = 2 mm, 18–25, 27–36 = 0.25 mm (22–25, 27–36 redrawn from Barnard, 1984).