Aenictus siamensis

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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 : 42 – 43, doi. Versioned wiki page: 2016-12-16, version 112298, https://species-id.net/w/index.php?title=Aenictus_siamensis&oldid=112298 , 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 = {42 -- 43},
doi = {TODO},
url = {},
note = {Versioned wiki page: 2016-12-16, version 112298, https://species-id.net/w/index.php?title=Aenictus_siamensis&oldid=112298 , 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 - 42
EP - 43
PB -
M1 - Versioned wiki page: 2016-12-16, version 112298, https://species-id.net/w/index.php?title=Aenictus_siamensis&oldid=112298 , 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 = 42 -- 43
| pmid =
| publisher =
| doi = TODO
| url =
| pmc =
| accessdate = 2020-10-21

}} Versioned wiki page: 2016-12-16, version 112298, https://species-id.net/w/index.php?title=Aenictus_siamensis&oldid=112298 , contributors (alphabetical order): PlaziBot.</ref>


Taxonavigation

Ordo: Hymenoptera
Familia: Formicidae
Genus: Aenictus

Name

Aenictus siamensis Jaitrong, Weeyawat, 2011Wikispecies linkPensoft Profile

  • Aenictus siamensis Jaitrong, Weeyawat, 2011, Zootaxa 3128: 42-43.

Description

Measurements.Holotype and paratypes (n = 10): TL 3.75–3.90 mm; HL 0.78–0.85 mm; HW 0.63–0.70 mm; SL 0.68–0.75 mm; ML 1.18–1.25 mm; PL 0.25–0.28 mm; CI 81–82; SI 107–108. Description of worker (holotype and paratypes). Head in full-face view distinctly longer than broad, with sides convex and posterior margin almost straight; occipital carina complete. Antennal scape relatively long, reaching the posterolateral corner of head; antennal segments II–X each longer than broad; II almost as long as each of III–VI. Frontal carina very short, not extending beyond the level of posterior margin of torulus. Anterior margin of clypeus convex, bearing 8–9 denticles. Masticatory margin of mandible with a large apical tooth followed by a medium-sized subapical tooth, 6–7 denticles, and often 1 or 2 small basal teeth; basal margin lacking denticles. Mesosoma relatively slender; promesonotum in profile weakly convex dorsally and sloping gradually to metanotal groove; dorsal outline of propodeum feebly convex; propodeal junction angulate; declivity shallowly concave, encircled by a thin rim. Petiole subsessile, its node almost as long as high with strongly convex dorsal outline; subpetiolar process well developed and triangular with apex directed downward; postpetiole almost as long as petiole, the node similar to that of petiole in shape. Entire head smooth and shiny. Mandible very finely striate except along masticatory and outer margins. Antennal scape superficially sculptured and shiny. Pronotum dorsally almost smooth and shiny; lateral face superficially reticulate and weakly shiny; mesothorax, metapleuron and propodeum densely punctate; mesothorax and propodeum often with ill-defined longitudinal rugulae on lateral faces. Petiole with dense small punctures; postpetiole entirely smooth and shiny. Legs extensively smooth and shiny. Head and mesosoma dorsally with relatively sparse standing hairs mixed with sparse short hairs over the surface; longest pronotal hair 0.23–0.27 mm long. Entire body dark reddish brown. Typhlatta spot located anterior to occipital corner.

Materials Examined

Non-type material examined. THAILAND: N. Thailand, Chiang Mai Prov., Mae Tang Dist., Haui Prachao, HEF, 6 IX 2000, W. Jaitrong leg., WJT00- HPC 05 (AMK, SKYC, THNHM); N. Thailand, Chiang Mai Prov., Doi Suthep-Pui, SF, V 2008, S. Sonthichai leg., WJT08- 11 (AMK, THNHM); NE. Thailand, Chaiyaphum Prov., Phu Kheao, DEF, 10 I 1997, D. Wiwatwitaya leg. (AMK); NE. Thailand, Loei Prov., Phu Ruea Dist., 11 IV 2008, W. Jaitrong & Sk. Yamane leg., WJT08-TH 801 /TH08-SKY- 17 (SKYC, THNHM).

Etymology

Etymology. The specific name is an adjective meaning ‘of Siam (old name of Thailand)’.

Distribution

Distribution.Thailand (Fig. 66). Bionomics.A. siamensis is found in highland (700–900 m alt.) seasonal forests (hill evergreen forest and dry evergreen forest) and open areas. The colony from Loei Province (WJT08-TH 801) was collected at night, a colony from Chiang Mai Province (WJT00- HPC 05) during the day. The type series (WJT 99 -TH 55) and the colony from Doi Suthep-Pui National Park, Chiang Mai Province (WJT08- 11) were collected using pitfall traps.

Discussion

Remarks.A. siamensis is similar to A. binghami in having the mesosoma extensively sculptured, but is much smaller than the latter. Furthermore the pronotal sculpture is much weaker (dorsum almost smooth) in the latter. See under A. binghami.

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: 42-43. doi
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No known copyright restrictions apply on this formal expression of scientific knowledge. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for details.