Insects Associated with the Pinewood Nematode, Bursaphelenchus xylophilus (Nematoda: Aphelenchoididae), in Missouri

1 April 1983

journal article
Published by Oxford University Press (OUP) in Environmental Entomology

Vol. 12 (2) , 467-470
https://doi.org/10.1093/ee/12.2.467

Abstract

Seven species of Coleoptera were found to carry the pinewood nematode, Bursaphelenchus xylophilus, upon emergence from nematode-infected Scotch pines. Monochamus carolinensis (Olivier) (Coleoptera: Cerambycidae) carried a mean (±SD) of 19,152 (± 16,421) nematodes per individual beetle. None of the other insect species carried more than 300 nematodes per individual. Of the nematodes carried by M. carolinensis, 85% were found in the thoracic region, with the majority located in the metathoracic segment. Scanning electron microscopy was utilized to determine that the nematodes were located in the tracheal system of the beetle as it emerged from an infected tree.

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