Amphipsyche exsiliens Barnard, 1984

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 exsiliens Barnard, 1984

( Figs. 12–16 )

Amphipsyche exsiliens Barnard, 1984: 97 [Holotype male; Burma; NHMUK].

Diagnosis. Male. Antennae 38 mm in length. Antennal flagellum light brown to yellowish with darker striations. Forewing 12 mm and hindwing 6 mm in length. Forewing with brown spot in fork I and in crossvein Sc-R1 ( Fig. 12 ). Tibial spurs 1.4.4.

Male genitalia. Inferior appendages unsegmented. In lateral view, phallus has somewhat triangular apex with everted endotheca ( Fig. 15 ). In dorsal view, segment IX is curved in the apex with one lobe on each side. Segment X divided medially.

Female. Antennae of all female specimens broken therefore length cannot be measured. Antennal flagellum colouration same as male. Forewing 9 mm and hindwing 5 mm in length. No evident markings found in forewings of old specimens. Tibial spurs 1.4.3.

Material examined. Indonesia: 11 males, 10 females, Sumatra, Kebun, Sei Kopas, Mae Wang stream, coll. H. Malicky, 23 April 1997 (HMPC) ; Nepal: 1 male, Siwalik Range Bardia National Park , coll. H. Malicky, 18 March 2003 (HMPC) .

Distribution. Sumatra, Nepal.

Remarks. The male wing ( Fig. 12 ) and male genitalia ( Figs. 13–16 ) were redrawn from Barnard (1984: Figs. 54–60 ).

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. 42–58. Macrostemum bacham. 42, right forewing; Male genitalia: 43, lateral; 44, segment X dorsal; 45, phallus lateral; 46, phallus tip. Macrostemum bellerophon. 47, right forewing; Male genitalia: 48, lateral; 49, segment X dorsal; 50, phallus lateral; 51, phallus tip. Macrostemum bellum. 52, right forewing. Macrostemum bifenestratum. 53, right forewing. Macrostemum boettcheri. 54, right forewing; Male genitalia: 55, lateral; 56, segment X dorsal; 57, phallus lateral; 58, phallus tip. Scale: 42, 47, 52–53 = 2 mm; 43–46, 48–51, 55–58 = 0.02 mm (43–46 redrawn from Malicky, 2010; 52 redrawn from Banks, 1916; 56 redrawn from Navás, 1929).

Figs. 59–69. Macrostemum caliptera. 59, right forewing. Macrostemum centrotum. 60, right forewing; Male genitalia: 61, lateral; 62, segment X dorsal; 63, phallus lateral; 64, phallus tip. Macrostemum dairiana. 65, right forewing; Male genitalia: 66, lateral; 67, segment X dorsal; 68, phallus lateral; 69, phallus tip. Scale: 59, 60, 65 = 2 mm; 61–64, 66–69 = 0.02 mm (59 redrawn from Banks, 1931c).