Hirudinaria manillensis (Lesson, 1842)

Tubtimon, Jaruwan, Jeratthitikul, Ekgachai, Sutcharit, Chirasak, Kongim, Bangon & Panha, Somsak, 2014, Systematics of the freshwater leech genus Hirudinaria Whitman, 1886 (Arhynchobdellida, Hirudinidae) from northeastern Thailand, ZooKeys 452, pp. 15-33 : 19-20

Taxon classification Animalia Arhynchobdellida Hirudinidae

Hirudinaria manillensis (Lesson, 1842) Figs 2B, 3B, 4B, 5 D–F

Hirudo manillensis Lesson, 1842: 8. Type locality: Philippine Islands.

Hirudo sanguisorba Tennent, 1859: 305. Type locality: Ceylon. Tennent 1861: 483-484, with text figure. Type locality: Caylon [Sri Lanka].

Hirudo multistriata Schmarda, 1861: 3, Taf. 16, fig. 141. Type locality: Ceylon [Sri Lanka].

Hirudo luzoniae Kinberg, 1866: 356. Type locality: Manila [Philippines].

Hirudo maculosa Grube, 1868: 39-40, Taf. 4, fig. 6. Type locality: Singapore.

Hirudo maculata Baird, 1869: 315. Type locality: Siam [Thailand].

Limnatis (Poecilobdella) granulosa Blanchard, 1893: 28. Type locality: Java, Indonesia Blanchard 1897: 338-349, figs 3-6. Kaburaki 1921: 673-675.

Limnatis granulosa - Robertson 1909: 676-679, fig. 4.

Hirudo boyntoni Wharton, 1913: 369-371. Type locality: Philippines Islands.

Limnatis maculosa - Dequal 1917: 9.

Limnatis (Poecilobdella) manillensis - Moore 1924: 376.

Hirudinaria manillensis - Moore 1927: 218-226, fig. 53.

Material examined.

Ban Donsala, Na Wa, Nakhon Phanom: CUMZ 3401 (21 specimens), 3403 (4 specimens; Figs 2B, 3B, 4B, 5 D–F), 3430 (57 specimens). Ban Majang, Na Wa, Nakhon Phanom: CUMZ 3427 (51 specimens). Ban Nongwang, Tao Ngoi, Sakon Nakhon: CUMZ 3412 (4 specimens). Phang Khon, Sakon Nakhon: CUMZ 3428 (2 specimens). Mueang, Sakon Nakhon: CUMZ 3417 (2 specimens). Phu Phan, Sakon Nakhon: CUMZ 3416 (6 specimens). Ban Janpen, Tao Ngoi, Sakon Nakhon: CUMZ 3414 (1 specimen). Ban Nonghai, Khamchaee, Mukdahan: CUMZ 3423 (13 specimens). Khong Chai, Kalasin: CUMZ 3409 (28 specimens). Ban Thatoom, Mueang, Mahasarakham: CUMZ 3407 (4 specimens; Figs 6 C–D). Huai E-pong, Phu Wiang, Khon Kaen: CUMZ 3425 (11 specimens). Bung, Mueang, Amnat Charoen: CUMZ 3410 (30 specimens). Pa Tio, Yasothon: CUMZ 3411 (3 specimens). Khemarat, Ubon Ratchathani: CUMZ 3408 (26 specimens). Chaturaphak Phiman, Roi Et: CUMZ 3418 (5 specimens). Kaset Wisai, Roi Et: CUMZ 3426 (67 specimens). Huai Saneng Reservoir, Surin: CUMZ 3420 (6 specimens), 3421 (5 specimens).

Description.

In preserved specimens, body length 27-248 mm, width 3-30 mm. In live specimens, dorsal side dark green or brown. Middle dorsal line distinct, black, incontinuous, with two faint black stripes on each side. Body margin yellow with disrupted black spots. Ventral side brown without marker. Jaw trignathous, approximately 148 teeth. Number of salivary papillae, both small and large sizes, is 30 glands (Fig. 5 D–F). Gonopores separated by five annuli. Male reproductive system located in middle of body between somites XI and XII. Ejaculatory bulbs long and large. Ejaculatory ducts short, connect with atrium side in somite XI. Atrium relatively long, large, elongated in shape with penis sheath. Vas deferens curved, runs along almost entire body, 11 pairs of testisac. Nerve cord runs along body length on left side of atrium. Ovisacs stout, albumin gland well developed, common oviduct short, opening into female bursa. Vagina caecum relatively long, ovate in shape, no vaginal stalk (Fig. 4B).