Pholcus krabi

Berhard A. Huber, Booppa Petchard, Charles Leh Moi Ung, Joseph K. H. Koh & Amir R. M. Ghazali, 2016, The Southeast Asian Pholcus halabala species group (Araneae, Pholcidae): new data from field observations and ultrastructure, European Journal of Taxonomy 190, pp. 1-55 : 27

publication ID

https://doi.org/ 10.5852/ejt.2016.190

publication LSID

urn:lsid:zoobank.org:pub:BE92596B-62D9-46CD-8486-CF6B36C640B11

DOI

https://doi.org/10.5281/zenodo.6076788

persistent identifier

https://treatment.plazi.org/id/7F7187D5-4E56-7031-FD8D-C654C8DFFE04

treatment provided by

Jeremy

scientific name

Pholcus krabi
status

 

Pholcus krabi View in CoL species group

This species group is newly proposed to include three species previously part of the Ph. halabala group ( Ph. chiangdao Huber, 2011 ; Ph. khene Huber, 2011 ; Ph. kinabalu Huber, 2011 ) as well as three newly described species ( Ph. krabi Huber , sp. nov.; Ph. narathiwat Huber , sp. nov.; Ph. kipungit Huber , sp. nov.). They share three putative synapomorphies: (1) absence of AME ( Figs 116–117 View Figs 116 – 123 ); (2) absence of modified hairs on distal male cheliceral apophyses ( Fig. 118 View Figs 116 – 123 ); and (3) reduction of ALS spigots to two (one widened, one pointed; Fig. 122 View Figs 116 – 123 ; confirmed in Ph. kinabalu and Ph. krabi sp. nov. only). In addition, live males of the three newly described species share highly distinctive reddish to orange palps ( Figs 102, 106, 108 View Figs 102 – 109 ), and females of at least Ph. chiangdao , Ph. kinabalu , and Ph. narathiwat sp. nov. share dimorphic color patterns on the prosoma. Species newly observed in the field ( Ph. kipungit sp. nov.; Ph. narathiwat sp. nov.; Ph. krabi sp. nov.) built very similar domed webs among the vegetation (0.5–2 m above the ground), usually with the apex of the dome attached to the underside of a leaf. They are also very similar in general appearance (the three species are indistinguishable in the field; Figs 102–109 View Figs 102 – 109 ). Very low abundances and/or patchy distributions were observed in all three species. However, most specimens known of Ph. kinabalu were collected by canopy fogging ( Huber 2011), suggesting that abundances of at least this species may be different in higher forest strata. Egg-sacs are carried in front of the body ( Figs 105, 109 View Figs 102 – 109 ) as in typical pholcids. This species group is known from mainland Southeast Asia and Borneo ( Fig. 110 View Fig. 110 ). The RMNH has an additional species from East Kalimantan ( Fig. 110 View Fig. 110 ) that is not described here because only a single poorly preserved male specimen is available.

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Pholcidae

Genus

Pholcus

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