A new species of Trhypochthoniellus (Acari: Oribatida: Trhypochthoniidae) from Cuatro Cienegas, Coahuila, Mexico, and a key to the world species

被引：8

作者：

Ojeda, M. ^{[1
]}

Velez, P. ^{[2
]}

Espinosa-Asuar, L. ^{[3
]}

Eguiarte, L. E. ^{[3
]}

Souza, V ^{[3
]}

机构：

[1] Univ Nacl Autonoma Mexico, Fac Ciencias, Dept Ecol & Recursos Nat, Lab Ecol & Sistemat Microartropodos, Mexico City 04510, DF, Mexico

[2] Univ Nacl Autonoma Mexico, Inst Biol, Dept Bot, Mexico City 04510, DF, Mexico

[3] Univ Nacl Autonoma Mexico, Inst Ecol, Dept Ecol Evolut, Apartado Postal 70-275 Coyoacan, Mexico City 04510, DF, Mexico

来源：

SYSTEMATIC AND APPLIED ACAROLOGY | 2020年 / 25卷 / 06期

关键词：

Arid environment; oribatid diet; oligotrophic aquatic system; taxonomy; FEEDING-HABITS; MITES ACARI; DIVERSITY; FOOD; SOIL; INVERTEBRATES; BIODIVERSITY; PREFERENCES; FAUNA; BASIN;

D O I：

10.11158/saa.25.6.3

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

Trhypochthoniellus comprises nine species, being mostly associated to aquatic vegetation; T. chilensis Ermilov & Weigmann as the only known species from North and South America. This genus is recorded for the first time in Mexico. Herein we present the description, illustrations and SEM photographs of Trhypochthoniellus churincensis sp. nov., which was found in association to lignocellulolytic microfungal taxa in the oligotrophic freshwater oasis of Cuatro Cienegas Basin, Coahuila, Mexico. T. churincensis sp. nov. is morphologically similar to T. longisetus (Berlese) and T. brevisetus Kuriki; however, it differs from both taxa by the presence of nine genital setae (11 to 13 setae), setae h3 subequal to other posterior notogastral setae; subcapitular setae h very short, and notogastral c1 larger. Additionally, we discuss information on food preferences and reproductive mode obtained through the observation of one cultured population maintained under laboratory conditions. A key to the species of Trhypochthoniellus is provided.

引用

页码：974 / 985

页数：12

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