CREMATOGASTER

(Subfamily Myrmicinae)

Taxonomy

The genus Crematogaster was established by Lund (1831), and is assigned to the tribe Crematogastrini (Bolton 2003).

Images


Crematogaster sp., worker, body in lateral view.


Crematogaster sp., worker, head in full-face view.

Distribution

Sixteen species have been known from Vietnam. The species marked with asterisks have not yet been examined by us.

*agniae Karavaiev Type locality: Lien Chieu, Col de Nuage [Hai Van Pass, Hue Province]
aurita Karavaiev [= sp. eg-13] Nui Chua NP (Ninh Thuan)
*brunnea subsp. latipetiolata Karavaiev Type locality: Cau Da
sewardi Forel [= sp. eg-14] Nam Cat Tien NP (Dong Nai)
*walshi st. bouvardi Santschi Type locality: Lang Bian
sp. eg-1 Ba Vi NP (Ha Noi); Chua Yen Tu (Quang Ninh); Nam Cat Tien NP (Dong Nai); Pu Mat NP (Nghe An); Sa Pa (Lao Cai); Tam Dao NP (Vinh Phuc); Tay Yen Tu NP (Bac Giang); Van Ban (Lao Cai)
sp. eg-4 Chua Yen Tu (Quang Ninh)
sp. eg-6 Ba Be NP (Bac Can); Ba Vi (Ha Noi); Binh Chau-Phuoc Buu NP (Ba Ria-Vung Tau); Chua Yen Tu (Quang Ninh); Nui Chua (Ninh Thuan); Pu Mat (Nghe An); Sa Pa (Lao Cai); Tay Yen Tu NP (Bac Giang)
sp. eg-7 Chua Yen Tu (Quang Ninh)
sp. eg-8 Ba Be NP (Bac Can)
sp. eg-9 Ba Be NP (Bac Can); Tay Yen Tu NP (Bac Giang)
sp. eg-10 Sa Pa (Lao Cai)
sp. eg-12 Van Ban (Lao Cai)
sp. eg-15 Nam Cat Tien NP (Dong Nai)
sp. eg-16 Nam Cat Tien NP (Dong Nai)
sp. eg-17 Pu Mat NP (Nghe An)

Bionomics

Many species are arboreal foragers, and nests in decayed parts of standing trees and hollows of tree trunks and branches or build carton nests. Some species nest in soil or rotting logs on the ground. Orthocrema spp. forage both on and under ground.

© Katsuyuki EGUCHI & BUI Tuan Viet, 2007. All rights reserved.