螨类与真菌共生的最古老证据--描述白垩纪琥珀中的新螨属和新螨种

IF 1.3 3区农林科学 Q2 ENTOMOLOGY

Systematic and Applied Acarology Pub Date : 2024-04-26 DOI:10.11158/saa.29.4.3

A. Khaustov, Dmitry D. Vorontsov, E. Lindquist

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引用次数: 0

摘要

描述了白垩纪克钦琥珀中的一个新化石属和新种 Rhombometridium pankowskiorum gen.新属的特征是在腿III的前方有发达的孢子囊，每个孢子囊含有数个卵形的真菌孢子。这是螨虫与真菌共生的最古老（约 100 Mya）的证据，也是螨科 Trochometridiidae 的第一个化石记录。该新属与Trochometridiidae科（在腿III和IV基部之间有孢子囊）和Caraboacaridae科（菱形体形、无刚毛v2、无颚独角、颚与明显增宽的咬合囊融合）具有相同的同形异构体，有可能是这两个密切相关的科之间的过渡形态或缺失环节。我们还将 R. pankowskiorum 的孢子囊与其他异柱螨的孢子囊进行了比较。

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The oldest evidence of symbiosis between mites and fungi with description of a new genus and species of Trochometridiidae (Acari: Heterostigmata) from Cretaceous amber

The female of a new fossil genus and species, Rhombometridium pankowskiorum gen. and sp. nov. (Acari: Trochometridiidae), is described from Cretaceous Kachin amber. The new genus is characterized by the presence of well-developed sporothecae anteriad legs III, each sporotheca containing several ovoid fungal spores. This is the oldest (ca. 100 Mya), evidence of symbiosis between mites and fungi and the first fossil record of the mite family Trochometridiidae. The new genus shares synapomorphies with the family Trochometridiidae (presence of sporothecae between bases of legs III and IV) and Caraboacaridae (rhombic body shape, absence of setae v2, absence of palpal solenidion, palps fused with distinctly widened gnathosomal capsule), and potentially represents a transitional form or a missing link between these two closely related families. We also compare the sporothecae of R. pankowskiorum with those of other heterostigmatic mites.

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来源期刊

Systematic and Applied Acarology ENTOMOLOGY-

CiteScore

2.20

自引率

33.30%

发文量

152

期刊介绍： Systematic and Applied Acarology (SAA) is an international journal of the Systematic and Applied Acarology Society (SAAS). The journal is intended as a publication outlet for all acarologists in the world. There is no page charge for publishing in SAA. If the authors have funds to publish, they can pay US$20 per page to enable their papers published for open access. SAA publishes papers reporting results of original research on any aspects of mites and ticks. Due to the recent increase in submissions, SAA editors will be more selective in manuscript evaluation: (1) encouraging more high quality non-taxonomic papers to address the balance between taxonomic and non-taxonomic papers, and (2) discouraging single species description (see new special issues for single new species description) while giving priority to high quality systematic papers on comparative treatments and revisions of multiple taxa. In addition to review papers and research articles (over 4 printed pages), we welcome short correspondence (up to 4 printed pages) for condensed version of short papers, comments on other papers, data papers (with one table or figure) and short reviews or opinion pieces. The correspondence format will save space by omitting the abstract, key words, and major headings such as Introduction.