New species of Aphelenchoides Fischer and Laimaphelenchus Fuchs (Nematoda : Aphelenchida) from Pine Twigs, Himachal Pradesh

• Published in: Indian journal of nematology Vol. 39; no. 2
• Main Authors: Negi, S, Kalia, D.C, Walia, K.K, Bajaj, H.K
• Format: Journal Article
• Language: English
• Published: 01.12.2009
• Subjects: APHELENCHOIDES; http://www.fao.org/aos/agrovoc#c_524; http://www.fao.org/aos/agrovoc#c_5890; http://www.fao.org/aos/agrovoc#c_5909; PINUS; PINUS ROXBURGHII
• ISSN: 0303-6960

Two new species of Aphelenchoides and one of Laimaphelenchus from dead twigs of Pinus roxburghii Sarg. from Himachal Pradesh, India are described and illustrated. A. depressospicularis sp. n. : Female: L = 0.60-0.75 mm; a = 32-45; b = 9.5-11.5; b' = 4.3-5.2; c = 14-19; c' = 2.0-3.4; V = 63-72; stylet = 8-11 -m; Male: L = 0.50-0.60 mm; a = 31-39; b = 8.4-10.3; b' = 4.0-5.1; c = 15-22; stylet = 8-11 -m; stylet with knobs; dorsal limb of spicule 16-19 -m long with a depression near tip. A. microspermi sp. n.: Female: L = 0.42-0.66 mm; a = 31-46; b = 7.4-10.1; b' = 3.3-4.6; c = 13-19; c' = 3.2-4.6; V = 69-75; stylet = 8-11 -m, post vulval uterine sac filled with numerous sperm. Male: L = 0.40-0.59 mm; a = 28-40; b = 7.1-10.1; b' = 3.5-4.4; c = 16-20; stylet =;: 8-10 -m; spicule = 13-15 -m; sperm small sized. Laimaphelenchus simlaensis sp. n.: Female: I-, = 0.84-1.09 mm; a = 38-46; b = 11-14; b' = 4.6-6.2; c = 21-30; c' = 2.3-3.6; V = 67-73; stylet = 11-13 -m; vagina without sclerotization; tail provided with a single stalked, sucker-like tubercle bearing 3-5 fine processes. Male: L = 0.78-1.02 mm; a = 41-48; b = 11-14; b' = 4.2-5.3; c = 23-29; c' = 2.0- 2.3; stylet = 11-13 -m; spicule = 16-18 -m, gubernaculum-like structure present.