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1 June 2004 Hairworm and nematode infections of North American Jerusalem crickets, field crickets, and katydids (Orthoptera: Stenopelmatidae, Gryllidae and Tettigoniidae)
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Abstract

New records of hairworms (Gordioidea: Nematomorpha) and mermithid nematodes (Mermithidae: Nematoda) are reported from North American Orthoptera collected over the past 25 y. Several thousand Jerusalem crickets (Stenopelmatidae: Stenopelmatus spp.), field crickets (Gryllidae: Gryllus sp), and several hundred decticine katydids (Tettigoniidae: Tettigoniinae) were captured in the field and maintained alive, serving as potential hosts. A total of 36 specimens were found infected (most multiple), which resulted in the recovery of 19 hairworm lots associated with some 11 species of Stenopelmatus; 6 hairworm lots from 4 species of Gryllus and 2 decticine katydid genera, and 11 mermithid nematode lots associated with 5 species of Stenopelmatus, Capnobotes fuliginosus and a Gryllus sp. The present study identifies hosts of hairworms and mermithids collected from sites throughout central and western United States and much of Mexico.

George Poinar Jr. and David B. Weissman "Hairworm and nematode infections of North American Jerusalem crickets, field crickets, and katydids (Orthoptera: Stenopelmatidae, Gryllidae and Tettigoniidae)," Journal of Orthoptera Research 13(1), 143-147, (1 June 2004). https://doi.org/10.1665/1082-6467(2004)013[0143:HANION]2.0.CO;2
Published: 1 June 2004
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