Bioacoustics of Glyphidrilus peninsularis

Remarks. Glyphidrilus peninsularis sp. n. is different from other species in the following (see also Table 1 ): G. kukenthali from Sarawak has wings in 18, ½18, 19–24, ½24, longer clitellum in ½13–34, hearts in 7–11, and spermathecae in 14–18. G. malayanus from Malay Peninsula has shorter wings in 17, ¾18, 18–⅓21, ⅓22, 22, shorter clitellum in 15–25, 26, and spermathecae in 14/15–16/17. G. weberi from Java , Sumatra , Celebes , and Flores has longer wings in 23–½32, clitellum in 16–32, and spermathecae in 13/14–17/18. G. quadrangulus from Sumatra has wings in 19, 20–25, and spermathecae in 13/14, 14/15–15/16, 16/17. G. jacobsoni from Sumatra has wings in 21–26, clitellum in 18–30, and spermathecae in 12/13–16/17. G. horsti from Pulau Berhala, Straits of Malacca , has shorter wings in ½23, 23–27, 28, clitellum in 17, 18, ½18, 19–28, 29, 30, ½31, and spermathecae in 14–17. G. gatesi reported from Johor , Malaysia , has wings in 18, ½19, 19–½24, 24, shorter clitellum in ½17, 17, 18–25, ½26, 26, intestinal origin in 18, and spermathecae in 15–17. G. singaporensis reported from Bukit Timah, Singapore , has shorter wings in 21–25, ½26, 26, clitellum in 18, 19–27, ½28, 29, 31, intestinal origin in 15, and spermathecae in 14–17. G. vangviengensis reported from the river banks of Song River at Vangvieng, Laos , has wings in 24, 25–31, 32, longer clitellum in 19, 20–35, 36, 37, and no spermathecae. G. kotatinggi sp. n. from Kota Tinggi waterfall, has shorter wings and clitellum, three pairs of hearts, and spermathecae in 13/14–16/17. G. bisegmentus sp. n. from Air Banun Pandig, Perak , has shorter wings and shorter clitellum, and genital markings and spermathecae afre absent.