LARVAL AND JUVENILE STAGES OF THE ISOPOD HOLOPHRYXUS-ALASKENSIS (EPICARIDA, DAJIDAE) PARASITIC ON DECAPOD

LARVAL AND JUVENILE STAGES OF THE ISOPOD HOLOPHRYXUS-ALASKENSIS (EPICARIDA, DAJIDAE) PARASITIC ON DECAPOD
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DOI:
10.1139/f81-190
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发表时间:
1981-01-01
影响因子:
2.4
通讯作者:
MUELLER, GJ
MUELLER, GJ
中科院分区:
农林科学2区
文献类型:
--
作者:
COYLE, KO;MUELLER, GJ

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详细描述了该虫的外果皮、微孢子虫、隐孢子虫和幼虫期。阿拉斯加的人都给了。外果皮与其他外果皮的区别在于它的螯形前足。中间宿主为长真刺水蚤Euchaeta elongata(桡足类)。隐孢子虫阶段不同于其他的Dajidae在缺乏颊吸盘和后方的第1条的触角1的投影。隐孢子虫附着在太平洋太平洋拟水蚤(十足目)背甲下的体壁上,在那里它变形到幼体阶段,然后迁移到背甲的背侧。
Complete descriptions of the epicarid, microniscid, cryptoniscid and juvenile stages of H. alaskensis are given. The epicarid differs from other epicarids by its chelate pereopods. The intermediate host is Euchaeta elongata (Copepoda). The cryptoniscid stage differs from others of the Dajidae in lacking a buccal sucker and posterior projection on article 1 of antenna 1. The cryptoniscid attaches to the body wall beneath the carapace of Pasiphaea pacifica (Decapoda), where it metamorphoses to the juvenile stage before migrating to the dorsal side of the carapace.