Rev 19-09-2023
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Caudal papillae occur throughout the Aphelenchina.
Anterior region
Lip region rounded and offset; stylet with or without knobs.
Excretory pore opening usually about two body diameters behind the median bulb.
This nematode is often associated with green algae on tree bark. Note the green intestinal contents of female on right.
Female:
Anterior lip of vulva usually forming a flap over the vulva.
Gonad with spermatheca and long postuterine sac.
Female tail has four tubercules.
Members of the genus are reported from Antarctica, Argentina, Australia, Europe, India, North America, South Africa and the Middle East (Fang et al., 2020).. A few species are associated with bark beetles (Hunt, 1993)...
Frequently found in moss, algae and tree bark.
Apparently on fungi and moss associated with pine bark although Nickle (1970) indicated that the genus is predaceous. However, most species are considered to be fungal-feeding and usually found iassociated with moss, algae, and lichens on conifers and dead trees. Some species are also found in the galleries of bark beetle larvae (Fang et al/, 2020); Hunt, 1993)
Laimaphelenchus spp. are not considered pathogens of pine trees. However the specimens above were from bark of trees exuding resin (see photographs below).
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