Aenictus sonchaengi

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Jaitrong, Weeyawat, Yamane, Seiki (2011) Synopsis of Aenictus species groups and revision of the A. curra x and A. laeviceps groups in the eastern Oriental, Indo-Australian, and Australasian regions (Hymenoptera: Formicidae: Aenictinae). Zootaxa 3128 : 43 – 44, doi. Versioned wiki page: 2016-12-16, version 112299, https://species-id.net/w/index.php?title=Aenictus_sonchaengi&oldid=112299 , contributors (alphabetical order): PlaziBot.

Citation formats to copy and paste

BibTeX:

@article{Jaitrong2011Zootaxa3128,
author = {Jaitrong, Weeyawat AND Yamane, Seiki},
journal = {Zootaxa},
title = {Synopsis of Aenictus species groups and revision of the A. curra x and A. laeviceps groups in the eastern Oriental, Indo-Australian, and Australasian regions (Hymenoptera: Formicidae: Aenictinae)},
year = {2011},
volume = {3128},
issue = {},
pages = {43 -- 44},
doi = {TODO},
url = {},
note = {Versioned wiki page: 2016-12-16, version 112299, https://species-id.net/w/index.php?title=Aenictus_sonchaengi&oldid=112299 , contributors (alphabetical order): PlaziBot.}

}

RIS/ Endnote:

TY - JOUR
T1 - Synopsis of Aenictus species groups and revision of the A. curra x and A. laeviceps groups in the eastern Oriental, Indo-Australian, and Australasian regions (Hymenoptera: Formicidae: Aenictinae)
A1 - Jaitrong, Weeyawat
A1 - Yamane, Seiki
Y1 - 2011
JF - Zootaxa
JA -
VL - 3128
IS -
UR - http://dx.doi.org/TODO
SP - 43
EP - 44
PB -
M1 - Versioned wiki page: 2016-12-16, version 112299, https://species-id.net/w/index.php?title=Aenictus_sonchaengi&oldid=112299 , contributors (alphabetical order): PlaziBot.

M3 - doi:TODO

Wikipedia/ Citizendium:

<ref name="Jaitrong2011Zootaxa3128">{{Citation
| author = Jaitrong, Weeyawat, Yamane, Seiki
| title = Synopsis of Aenictus species groups and revision of the A. curra x and A. laeviceps groups in the eastern Oriental, Indo-Australian, and Australasian regions (Hymenoptera: Formicidae: Aenictinae)
| journal = Zootaxa
| year = 2011
| volume = 3128
| issue =
| pages = 43 -- 44
| pmid =
| publisher =
| doi = TODO
| url =
| pmc =
| accessdate = 2020-10-25

}} Versioned wiki page: 2016-12-16, version 112299, https://species-id.net/w/index.php?title=Aenictus_sonchaengi&oldid=112299 , contributors (alphabetical order): PlaziBot.</ref>


Taxonavigation

Ordo: Hymenoptera
Familia: Formicidae
Genus: Aenictus

Name

Aenictus sonchaengi Jaitrong, Weeyawat, 2011Wikispecies linkPensoft Profile

  • Aenictus sonchaengi Jaitrong, Weeyawat, 2011, Zootaxa 3128: 43-44.

Description

Measurements.Holotype and paratypes (n = 10): TL 4.20–4.35 mm; HL 0.85–0.95 mm; HW 0.83–0.85 mm; SL 0.68–0.73 mm; ML 1.33–1.35 mm; PL 0.30–0.33 mm; CI 89–97; SI 82–85. Description of worker (holotype and paratypes). Head in full-face view subrectangular, slightly longer than broad, with sides convex and posterior margin almost straight; occipital carina complete. Antennal scape relatively short, only reaching 3 / 4 of head length; antennal segments II–X each longer than broad; II almost as long as each of III–V; terminal segment (X) slightly shorter than VII+VIII+IX. Frontal carina short, slightly extending beyond posterior margin of torulus. Anterior margin of clypeus slightly convex, bearing 5–6 denticles. Masticatory margin of mandible with a large apical tooth followed by a medium-sized subapical tooth, 5 denticles, and a medium-sized basal tooth; basal margin bearing 2–3 denticles. Mesosoma rather stout; promesonotum in profile strongly convex and forming a dome, mesonotum sloping to metanotal groove; propodeum distinctly lower than promesonotum, with its dorsal outline almost straight; propodeal junction round or weakly angulate; declivity seen in profile almost vertical, not margined dorsally and laterally with a carina. Petiole relatively short, globular, almost as long as high; subpetiolar process well developed and triangular, its apex directed downward and backward; postpetiole slightly larger than petiole. Entire head smooth and shiny. Mandible very finely striate except along masticatory and outer margins. Antennal scape superficially sculptured and shiny. Pronotum entirely smooth and shiny except for its anteriormost portion being punctate; mesonotum and upper portion of mesopleuron longitudinally rugulose; remainder of mesopleuron, metapleuron and lateral face of propodeum punctate; dorsal surface of propodeum smooth and shiny. Petiole densely reticulate; postpetiole dorsally smooth and shiny, its lateral face weakly reticulate. Legs entirely smooth and shiny. Vertex with a pair of standing hairs; promesonotum with relatively sparse standing hairs; longest pronotal hair 0.20–0.23 mm long; propodeum with a pair of standing hairs near posterolateral corners. Entire body dark reddishbrown. Typhlatta spot located anterior to occipital corner.

Materials Examined

Non-type material examined. THAILAND: S. Thailand, Nakhon Si Thammarat Prov., Khao Nan, 12 XII 2007, W. Jaitrong leg., WJT07-KN01 (AMK, SKYC, THNHM); same loc., Yod Nam, 28 IX 2008, W. Jaitrong leg., WJT08-S 1100 (AMK, SKYC, THNHM); S. Thailand, Surat Thani Prov., Ratchaprapa Dam, SF, 21 VI 2010, S. Hasin leg., SH 10 -TH01 (AMK, SKYC, THNHM); S. Thailand, Songkhla Prov., Khao Kor Hong, 25 IX 2008, W. Jaitrong leg., WJT08-S 1022; S. Thailand, Narathiwat Prov., Bala Hala, EF, 26 IX 2001, C. Bourmas leg. (AMK, THNHM). MALAYSIA:Sarawak, Miri, Lambir N.P., 24 I 1993, Sk. Yamane leg. (SKYC, THNHM, FRCS); same loc., 10 VIII 1995, Sk. Yamane leg (SKYC, THNHM). BRUNEI: Tasek Merinbun, 12 II 1999, K. Eguchi leg., Eg 99 -BOR-051 (SKYC, THNHM).

Etymology

Etymology. The specific name is dedicated to Dr. Pichai Sonchaeng, the president of the National Science Museum, Thailand.

Distribution

Distribution. Malay Peninsula (S. Thailand) and Borneo (Sarawak and Brunei) (Fig. 66).

Materials Examined

Bionomics. All material examined of this species was collected from lowland primary rainforests, except for the single colony from Surat Thani Province (southern Thailand, SH 10 -TH01) which was collected from a disturbed forest. Two colonies from Khao Nan National Park, southern Thailand (WJT07-KN02 and WJT08-S 1100) were found during the night, while a colony from Songkhla Province (southern Thailand, WJT08-S 1022) was found in early morning. This species is probably sympatric with A. rotundicollis in at least Borneo.

Discussion

Remarks. This species is closely related to A. rotundicollis in having only 2 long standing hairs on the vertex of the head and the promesonotum which is, seen in profile, strongly convex dorsally and forming a high dome. However, it is easily separated from A. rotundicollis as follows: promesonotum with 2–4 standing hairs (more than 4 hairs in A. rotundicollis); dorsal surface of propodeum smooth and shiny (propodeum entirely sculptured in A. rotundicollis); pronotal dorsum superficially shagreened and shiny and somewhat wrinkled (smooth and shiny in A. rotundicollis). See also ‘Remarks’ for A. breviceps and A. laeviceps. The specimens collected from southern Thailand, including the type series, have the pronotum smoother than in the Bornean specimens.

Taxon Treatment

  • Jaitrong, Weeyawat; Yamane, Seiki; 2011: Synopsis of Aenictus species groups and revision of the A. curra x and A. laeviceps groups in the eastern Oriental, Indo-Australian, and Australasian regions (Hymenoptera: Formicidae: Aenictinae), Zootaxa 3128: 43-44. doi
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