| mermithids (nematoda: mermithidae) parasitizing different blackfly (diptera: simuliidae) populations in quebec: environmental parameters related to their presence or absence in the studied brooks. | specimens of isomermis wisconsinensis, gastromermis viridis, mesomermis flumenalis, and mesomermis camdenensis have been found in 14 out of 28 studied sites. their hosts were the following blackfly species: cnephia dacotensis, cnephia mutata, prosimulium sp., simulium decorum, simulium tuberosum, simulium venustum/verecundum complex, and simulium vittatum. superparasitism was observed in several simuliid larvae and, occasionally, with 2 different mermithid species. the prevalence of different me ... | 2008 | 18939698 |
| a molecular revision of the taxonomic status of mermithid parasites of black flies from quebec (canada). | the four currently recognized mermithid (nematoda) species parasitizing black flies (diptera: simuliidae) from northeast america were distinguished using discriminatory pcr primers aimed at coi and 18s rdna. isomermis wisconsinensis, gastromermis viridis and mesomermis camdenensis were easily differentiated using either genomic target, even for juvenile mermithids damaged beyond morphological recognition. however, specimens from mesomermis flumenalis being identical in external morphology and pr ... | 2008 | 18511068 |