Abstract：
:The new species Crinoniscus stroembergi n. sp. belonging to the parasitic isopod family Crinoniscidae Bonnier, 1900, is described from a pedunculate barnacle host collected in the Mediterranean Sea. This is the first species of Crinoniscus Pérez, 1900 described from a host in the genus Heteralepas Pilsbry. The male cryptoniscus larva is distinguished from congeneric species by having a dorsoventrally flattened body with the posterolateral margins of the cephalon scarcely extending beyond the anterior margin of pereomere 1 (in contrast to C. cephalatus Hosie, 2008 with extended margins); articles 1 and 2 of the antennule being subequal in width and the anterodistal angle of antennule article being low and rounded; propodus of pereopods 6 and 7 having a sinuous dorsal margin that is distally narrowing and the posterior margin of the pleotelson being short and rounded. The mature females of species in Crinoniscus are of two basic forms: those with ventrolateral lobes on the pereomeres (C. alepadis (Gruvel, 1901) n. comb., and C. politosummus Hosie, 2008) and those lacking such lobes (C. cephalatus and C. stroembergi n. sp.). The mature females of C. stroembergi n. sp. can be distinguished from other species of Crininiscus based on their lacking lobes on the anterior end. The material examined includes the male and three female developmental stages of the parasite in the host, Heteralepas newmani Buhl-Mortensen & Mifsud. The mouthparts of the immature female are described and the feeding biology and effects on the host are discussed along with a review of feeding modes in species of the Cryptoniscoidea. Leponiscus alepadis is transferred to Crinoniscus; the latter genus now contains five species. A modified diagnosis of Crinoniscus is provided.
journal_name
Syst Parasitoljournal_title
Systematic parasitologyauthors
Buhl-Mortensen L,Williams JD,Boyko CBdoi
10.1007/s11230-020-09903-xsubject
Has Abstractpub_date
2020-04-01 00:00:00pages
179-192issue
2eissn
0165-5752issn
1573-5192pii
10.1007/s11230-020-09903-xjournal_volume
97pub_type
杂志文章abstract：:Doroixys simplex n. sp. is described from material collected from a tunicate of the genus Ciona, collected on the North Pacific coast of Russia. This is the fourth species of the genus and the first for which the male has been found. The new species differs from congeners most noticeably in the absence of posterolater...
journal_title：Systematic parasitology
pub_type： 杂志文章
doi：10.1023/B:SYPA.0000032934.58155.47
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journal_title：Systematic parasitology
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pub_type： 杂志文章
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journal_title：Systematic parasitology
pub_type： 杂志文章
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更新日期：2009-06-01 00:00:00
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journal_title：Systematic parasitology
pub_type： 杂志文章
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journal_title：Systematic parasitology
pub_type： 杂志文章
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更新日期：2009-11-01 00:00:00
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journal_title：Systematic parasitology
pub_type： 杂志文章
doi：10.1007/s11230-015-9614-8
更新日期：2016-02-01 00:00:00
