Allodorylaimus piracicabensis ( Lordello, 1955 ) Andrásssy, 1986

Sen, Debabrata, 2019, A new species and a new record of Nematoda (Dorylaimida) with further observation on Neoctinolaimus chitwoodi (Moorthy, 1937) Thorne, 1967 from Uttar Pradesh, India, Records of the Zoological Survey of India 119 (4) : -

2. Allodorylaimus piracicabensis ( Lordello, 1955) Andrásssy, 1986

1955. Dorylaimus piracicabensis Lordello, L. G. E. Rev. Brasil. Biol., 15: 211 – 218.

1986. Allodorylaimus piracicabensis Andrásssy, I. Opusc. Zool. Budapest , 22: 3 – 42.

Measurements: See Table 2.

Diagnosis: Female: Body ventrally curved on fixation, specially the posterior end. Lip region set off from body by distinct constriction, lips angular, wider than adjoining body. Cuticle smooth. Expanded portion of pharynx starts almost near the middle or anterior, 49.1-55.4% of the total pharyngeal length. Cardia conoid, 14-16 µm long. Odontostyle slender, needle-like, 1.2-1.4 labial width long, aperture occupying almost one-third (31.5 – 33.3%) or 1/3-1/3.1 of the stylet length. Odontophore

1.8-2.0 labial widths long. Vulva almost equatorial, Pars refringens vaginae well pronounced, vagina extending inward about half of the corresponding body width. Reproductive system amphidelphic. Both the gonads well developed, anterior gonad longer than posterior gonad. Pre-rectum 2.2 to 2.5 times as long as rectum or three anal-body diameter long, rectum 1.3-1.7 anal-body diameter long. Tail strongly ventrally curved, dorsally convex, conoid ending in a pointed terminus, 2.2-2.3

A B C D E

F Figure 3. Photomicrographs of Allodorylaimus piracicabensis Female: A. Entire body showing difference in body shape, B. Pharynx, C. Lip region & Odontostyle, D. Pharyngo-intestinal junction, E. Entire reproductive system & vulva, F. Posterior body end showing tail.

anal-body diameter long,

Male: Not found.

Material examined: 6 Females collected on 08-iii-2017 by the author. Z.S.I. Reg. No. WN 1925, deposited in National Zoological Collection, Zoological Survey of India, Kolkata .

Locality: Lat 28 o 42.908N and long 079 o 59.466E, near

A B C E

Veem tal, Mahof forest range, Pilibhit Tiger Reserve , Pilibhit dist, Uttar Pradesh .

Habitat: Collected from soil around the roots of unidentified grass near water body (Veem tal) from forest ecosystem.

Distribution: India: Uttar Pradesh. Elsewhere: Brazil, Lithuania

D F

Remark: Lordello (1955) described this species under the genus Dorylaimus Dujardin, 1845 from Sao Paulo, Brazil. This is the third record of the species from world and new record from India.