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  • noun

Words related to gregarine

vermiform protozoans parasitic in insects and other invertebrates

References in periodicals archive ?
1994) reported the presence of these apicomplexan protozoans infecting several bivalve species, with no significant health effects, and neither gregarine infection nor mortalities were associated with coccidian parasitism in their study.
Paraophioidina scolescoides NSP, a new aseptate gregarine from cultured Pacific White shrimp Penaeus vannamei.
Gregarine parasites can be reliably detected by dissecting living late-instar mosquito larvae, and searching the mid- and hindguts for parasites (Munstermann and Wesson 1990, Blackmore et al.
The effects of gregarine parasites, body size, and time of day on spermatophore production and sexual selection in field crickets.
Efficacy of eleven antimicrobials against a gregarine parasite (Apicomplexa: Protozoa).
The investigator assigned this phenomenon to a parasitic infestation and went on to describe a new gregarine species, Diplodina gonadipertha (Djakonov, 1923).
microptera populations were heavily parasitized by dipteran and gregarine parasites.
This tendency for year-to-year variations to exist without trend was also typical for the most common parasite, the gregarine Nematopsis: examples include Nematopsis in the gill tissue of Eastern Gulf oysters and Pacific Central mytilids, Nematopsis in the mantle tissue of Pacific Central and Southern California mussels and in Southern Gulf and Western Gulf oysters, and Nematopsis in the body tissue of Southeast Coast and Western Gulf oysters and Pacific Central mytilids.
Gregarine parasites alternate hosts, having the reproductive and vegetative phase in the intestines of xanthid crabs, and sporogony in oysters.
West-coast mytilids had significantly lower gregarine body burdens than oysters collected on the East and Gulf coasts; the latter two were not significantly different (Fig.
Saccostrea cucullata No Unidentified gregarine Pinctada maxima No Copepoda Anthessius pinctadae Pinctada maxima No Agent Host Reference Virus Virus-like inclusions Pinctada maxima Pass et al.
A gregarine (Protozoa Sporozoa) parasite of black-lipped pearl oysters Pinctada margaritifera (L.
The gregarine protozoan Nematopsis was found at all 10 sites (prevalence 24% to 90%) and oysters at some sites had concurrent infections of Nematopsis prytherchi and Nematopsis ostrearum in connective tissue near the stomach, mantle, and gills.
solida was parasitized by prokaryotic inclusions in the digestive epithelium, intracellular inclusions of bacteria-like organisms and ciliates in the gills, gregarines similar to Nematopsis parasitizing exclusively the connective tissues of most organs, and a turbellarian similar to Paravortex in the intestine lumen.