Two new species of Hydraena Kugelann, 1794 from S?o Tom? Island-an apparent adaptive radiation (Coleoptera, Hydraenidae)

被引：0

作者：

Bilton, David T. ^{[1
,2
]}

机构：

[1] Univ Plymouth, Sch Biol & Marine Sci, Plymouth PL4 8AA, England

[2] Univ Johannesburg, Dept Zool, POB 524, ZA-2006 Johannesburg, South Africa

来源：

ZOOTAXA | 2023年 / 5254卷 / 04期

关键词：

Hydraenidae; Hydraena; new species; adaptive radiation; Gulf of Guinea Islands;

D O I：

10.11646/zootaxa.5254.4.11

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

Hydraena saotometerrestris sp. nov. and H. turneri sp. nov. are described from Sao Tome island in the Gulf of Guinea. Both species belong to the subgenus Hydraenopsis Janssens, 1972 and were collected from primary forest locations; H. turneri sp. nov. found living aquatically in a small seepage over rock and clay. In contrast, H. saotometerrestris sp. nov. was collected from damp forest litter, far from water, in two mountainous locations on Sao Tome and is apparently terrestrial. The overall habitus and similar form of aedeagus in the new species strongly suggest they are closely related, pointing to apparent adaptive radiation following a single colonization of this oceanic island.

引用

页码：593 / 600

页数：8

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