Rev 12/18/2023
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Tylenchida Tylenchina Criconematoidea Hemicycliophoridae
Caloosia Siddiqi & Goodey, 1964
Type species of the genus: Caloosia longicaudata (Loos, 1948) Siddiqi & Goodey, 1964
Synonyms: Raski and Luc (1987) considered Hemicaloosia a junior synonym of Caloosia. However, Siddiqi (2000) returned Hemicaloosia to genus status (Inserra et al., 2013).
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Lateral field absent in female.
Labial annules separated, usually modified.
Vulva transversely oval, less than half body diameter long, depressed and flush with body contour (no discontinuity of body contour near vulva). Anterior vulva lip modified, partly overhanging vulva.
Vagina sigmoid.
Tail elongate, filiform.
Spicules straight.
No penial tube.
A single hypoptygma projecting ventrally.
Caudal alae covering more than one-third of the tail.
Tail shorter than that of female.
Juvenile: Cuticle and labial area as in corresponding female.
Fourth-stage male juvenile with stylet.
Inserra, R. N., Stanley, J.D., Troccoli, A., Chitambar, J., Subbotin, S.A. 2013. Hemicaloosia vagisclera n. sp. (Nematoda: Caloosiidae) from Bermuda grass in Florida and its phylogenetic relationships with other criconematids. Nematology 15: 23-39.
Raski, D.J. and Luc, M. 1987. A reappraisal of Tylenchina (Nematoda) 10. The superfamily Criconematoidea Taylor, 1936. Revue de Nematologie 10:409-444.
Ray, S. and Das, S.N. 1978.. Hemicaloosia americanae n. gen. n. sp. (Nematoda: Hemicycliophoridae) from Orissa, India. Journal of Research, OUAT, Bhubaneswar, India 8, 131-138.
Siddiqi, M.R. 2000.. Tylenchida parasites of plants and insects, 2nd edition. Wallingford, UK, CABI Publishing, 833 pp.