A new opilioacarid species (Parasitiformes: Opilioacarida) from Crete (Greece) with notes on its karyotype - Archive ouverte HAL Access content directly
Journal Articles Acarologia Year : 2021

A new opilioacarid species (Parasitiformes: Opilioacarida) from Crete (Greece) with notes on its karyotype

Abstract

A new species of opilioacarid mite, Opilioacarus thaleri n. sp., is described from midlevel elevation close to the seashore in Crete (Greece). It was found on moister sites, under stones or inside stone accumulations in phrygana vegetation. The peak of activity was found to be in early May. The diagnostic morphological characters include 7-8 eugenital setae (female), 5/7 setae on each sclerite at pregenital and genital areas, 11 setae on genital area (male), anterior dorsal shield with two pairs of eyes and 60-70 stout, ribbed setae, 5 (female) or 6 (male) leaf setae plus one pectinate seta on the palp tarsus, and the "simple" type of ovipositor with two pairs of glands, a pair of ducts plus a basal structure. The female karyotype comprises 16 monocentric chromosomes, predominantly with acrocentric morphology. Comparison with data of the ixodids and mesostigmatids indicates that a low number of chromosomes and predomination of acrocentric chromosomes could be plesiomorphies of the parasitiform mites.
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hal-03252538 , version 1 (07-06-2021)

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Maria Magdalena Vázquez, Ivalú Macarena Ávila Herrera, Pavel Just, Azucena Claudia Reyes Lerma, Maria Chatzaki, et al.. A new opilioacarid species (Parasitiformes: Opilioacarida) from Crete (Greece) with notes on its karyotype. Acarologia, 2021, 61 (3), pp.548-563. ⟨10.24349/acarologia/20214449⟩. ⟨hal-03252538⟩

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