Results 91 to 100 of about 260 (127)

Taxonomy, Life Cycle, Development, and Habits of Two New Species of Allantonematidae (Nematoda) Parasitic in Drosophilid Flies

open access: yesParasitology, 1959
1. Two species of Allantonematidae were found parasitizing five of twelve species of Drosophila collected at Rothamsted Experimental Station, Harpenden, Herts, England.2. H. aoronymphium sp.nov. was found in 20·8 % of D. phalerata and 4·3 % of D. kuntzei examined. Parasitylenchus diplogenus sp.nov. was found in about 5 % of D. subobscura, D.
Harold E. Welch
exaly   +4 more sources

Fossil Evidence of Phorid Parasitism (Diptera: Phoridae) by Allantonematid Nematodes (Tylenchida: Allantonematidae)

open access: yesParasitology, 2003
Howardula helenoschini sp. n. (Tylenchida: Allantonematidae) is described from 40 million year-old Baltic amber. The nematodes are parasitic in the body cavity of an adult fly of the genus Triphleba (Phoridae: Diptera). Characteristics of the fossil species are the large size of the pre-adult juveniles and a small number of progeny compared with extant
George Poinar
exaly   +3 more sources
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Cuticle ultrastructure differences among the four adult forms of Deladenus nitobei (Tylenchomorpha: Allantonematidae)

Nematology, 2022
Summary Deladenus nitobei, a hexatylinid species, is a parasite of the wood wasp Sirex nitobei and a fungal feeder, i.e., the nematode parasitises the wasp to be carried to a new environment (a dead tree) where it propagates after feeding on Amylostereum areolatum, a fungus mutualistically associated with the wasp.
Taisuke Ekino   +2 more
openaire   +1 more source

Ultrastructural evidence of sperm dimorphism in Deladenus sp. (Tylenchomorpha: Sphaerularioidea: Allantonematidae)

Nematology, 2007
Abstract The dimorphic spermatozoa of the insect-parasitic nematode Deladenus sp. (Tylenchomorpha: Sphaerularioidea: Allantonematidae) were studied for the first time with a transmission electron microscope (TEM). The immature spermatozoa from the testis of mycetophagous males are 10-12 μm diam.
Vladimir V. Yushin   +2 more
openaire   +1 more source

Psyllotylenchus Viviparus, n. Gen., n. sp. (Nematodea: Tylenchida: Allantonematidae) Parasitizing Fleas (Siphonaptera) in California.

Journal of Medical Entomology, 1973
Psyllotylenchus vivriparus , n. gen., n. sp. (Nematodea: Tylenchida: Allantonematidae) parasitizes the fleas Catallagia sculleni rutherfordi Augustson, Monopsyllus wagneri (Baker), Monopsyllus ciliatus protinus (Jordan) and Diamanus montanus (Baker) in California.
George O Poinar, Bernard C Nelson
exaly   +3 more sources

Pathogenicity of Allantonematidae (Nematoda) infecting bark beetles (Coleoptera: Scolytidae) in Manitoba

Canadian Journal of Zoology, 1990
Histological examination of pathogical changes caused by allantonematid nematodes infecting bark beetles was conducted using beetles collected from Nopiming Provincial Park and Belair, Whiteshell, and Agassiz provincial forests in Manitoba. Nematodes were classified into three groups according to the pattern and nature of damage caused to their hosts ...
Marek Tomalak   +2 more
openaire   +1 more source

How Ardula Colaspidis (Allantonematidae) N. Sp., a New Parasite of the Grape Colaspis (Coleoptera: Chrysomelidae)

Nematologica, 1979
Howardula colaspidis, a nematode parasite of the grape colaspis (Colaspis brunnea) is described. This species closely resembles H. dominicki but can be distinguished from the latter by having fewer ovarian cells, a longer uterus, and a shorter vulva to tail tip distance in the infective female. Also, the parasitic female of H.
exaly   +2 more sources

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