ArticleParasites & vectors2019
Description of the male and the larva of Ixodes collaris Hornok, 2016 with drawings of all stages.
Article in Parasites & vectors, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- A morpho-phylogenetic update on ixodid ticks infesting cattle and buffalos in Vietnam, with three new species to the fauna and a checklist of all species indigenous to the country.Parasites & vectors · 2024Article
- Description of three new bat-associated species of hard ticks (Acari, Ixodidae) from Japan.ZooKeys · 2023Article
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4 authors.
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Abstract
backgroundIxodes collaris Hornok, 2016 is a recently discovered tick species associated with bats in Asia. This study provides the description of the male and the larva, as well as high quality drawings of all stages.
methodsTicks were collected from cave walls and bats in Phia Oac (Vietnam). DNA was extracted from one individual of each stage/sex, while another was morphometrically analysed. Based on two genetic markers, all ticks were identified as I. collaris.
resultsThe male of I. collaris has long legs (i.e. the length of Haller's organ exceeds the maximum diameter of tarsus I), unlike the male of I. simplex Neumann, 1906, but similarly to males of I. vespertilionis Koch, 1844 and I. ariadnae Hornok, 2014. The lateral and medial edges of the palpi of male I. collaris are both convexly curved, unlike in I. ariadnae and I. simplex, but similarly to I. vespertilionis. The male of I. collaris has long palpal setae (up to 210 µm), unlike the males of I. ariadnae (30-100 µm) and I. simplex (20-80 µm), but similarly to I. vespertilionis (100-200 µm). Males of I. collaris have sparse distribution of long palpal setae (vs dense in I. vespertilionis) and posteriorly diverging, sclerotized trapezoid ridge dorsally on the basis capituli (posteriorly convergent, U-shaped and less evident in I. vespertilionis). The larva of I. collaris has long legs (unlike the larva of I. simplex, but similarly to I. vespertilionis and I. ariadnae), elongated club-shaped palpi (240 × 70 vs 200 × 90 µm in I. ariadnae, 200 × 70 µm in I. vespertilionis; and 140 × 60 µm in I. simplex:), pentagonal scutum, which is longer than broad (different from I. ariadnae and I. simplex, but similar to that of I. vespertilionis). The larva of I. collaris has strongly concave caudolateral margin of ventral basis with perpendicular angle (vs slightly concave, with obtuse angle in I. vespertilionis) and a prominent, dark sclerotized edge, "collar" (absent in I. vespertilionis).
conclusionSeveral features allow to distinguish the male and the larva of I. collaris morphologically from those of other bat-associated ixodid tick species.
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