Lepidostoma kamba (Mosely, 1939b)

Hussain, Zahid, Majeed, Aquib, Ali, Tabraq & Parey, Sajad H., 2023, Recently collected Lepidostoma species (Trichoptera, Lepidostomatidae) from India, with new records, Contributions to Entomology 73 (2), pp. 201-208 : 201

Lepidostoma kamba (Mosely, 1939b)

Dinarthrum kamba Mosely, 1939b: 338, pl 5 f 1-5.

Description.

Adult ♂ (Fig. 2A-E ): Male antennal scape 3.3 times as long as head, with two basal processes, proximal process long, curved distad and distal process short, digitate. Maxillary palps each two-segmented, basal segment setose and twice as long as distal segment, distal segment curved away from head. Labial palps each three-segmented, second segment twice as long as basal segment and shorter than third (2C). Forewings each covered with scales; apical forks I and II present, all forks sessile (Fig. 2E ).

Genitalia (Fig. 2A, B, D ): Segment IX in dorsal view (Fig. 2B ) apically round beyond which segment X deeply excised, divided into two equal rectangles segments; segment X in lateral view (Fig. 2A ) extended posteroventrad with a round apex, vertical ridge suspended below middle of segment X. Inferior appendages each two-segmented: basal segment subrectangular at base except slightly bulging in middle, small triangular forks arising from upper and inner margins of basal segment; terminal segment slightly excised at the apex. Parameres each pointed at apex, placed diagonally across genitalia; phallus cylindrical, curved, irregularly round shaped at apex, directed downwards (2D).

Female. Not known.

Holotype repository.

Stockholm Museum.

Material examined.

India (new record): Uttarakhand: Chamoli, 30°26'35.8"N, 79°19'11.2"E, 13-vi-2022, 5♂, Coll. Tabraq Ali Zahid Hussain, Aquib Majeed; (in Museum, Department of Zoology , BGSB University Rajouri (J & K) India.

Distribution.

Burma, India.

Figures

Figure 2. Lepidostoma kamba (Mosely, 1939 b). A, B. Genitalia: A. Left lateral; B. Dorsal. C. Head with scape; D. Phallic apparatus, lateral; E. Right forewing, dorsal. BP = two basal processes of antennal scape (paired); IFA = inferior appendage (paired); IX seg = segment IX; PA = phallic paramere (paired); PH = phallus; X seg = segment X.