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Species: Tetramorium syriacum   Emery, 1924 

Classification:
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Taxonomic History (provided by Barry Bolton, 2021)

Tetramorium caespitum var. syriaca Emery, 1924f PDF: 277 (w.) SYRIA. Palearctic. AntCat AntWiki HOL

Taxonomic history

[First available use of Tetramorium caespitum caespitum syriacum Emery, 1909; unavailable (infrasubspecific) name.].
Subspecies of Tetramorium caespitum: Emery, 1925a PDF: 179 (in text).
// Distribution

Distribution:

  Geographic regions (According to curated Geolocale/Taxon lists):
    Asia: Cyprus, Israel, Saudi Arabia, Syria
    Europe: Italy
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Palearctic

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Csösz S., Radchenko, A. & Schulz, A., 2007, Taxonomic revision of the Palaearctic Tetramorium chefketi species complex (Hymenoptera: Formicidae)., Zootaxa 1405, pp. 1-38

10. Tetramorium syriacum EmeryHNS, 1922 (figs 68-71)

Tetramorium caespitum var. syriaca EmeryHNS, 1922: 277 ([[worker]]) first available use of Tetramorium caespitum var. syriaca EmeryHNS, 1909: 702 ([[worker]]); TYPE MATERIAL: HOLOTYPE [[worker]]: I. a. Brul. [/] “Jaffa” [now Tel Aviv , ISRAEL] [-] “ Tetramorium ” [/] “ caespitum. caesp.” [/] “ v. syriacaHNS Em” [Emery’s handwriting] (1[[worker]] / MSNG); raised to species rank: Collingwood 1985: 265;

Redescription of worker (figs 68-71). Morphometric data of syriacumHNS holotype: CL: 850; CW: 835; FR: 460; FL: 470; SL: 615; ML: 940; MW: 560; PEW: 260; PEH: 285; NOH: 165; NOL: 215; PEL: 190; PPW: 290; PPL: 210; PPH: 270; SPL: 125; SPSP: 205; EL: 145; EH: 110; ED: 215; Large size, CS 832 [807, 865]. Whole body and appendages dark brown to black. Head slightly longer than broad, CL/CW 1.02 [0.99, 1.04], with slightly convex sides, straight occipital margin and rounded occipital corners. Eyes relatively small, EYE 0.162 [0.155, 0.171]. Frons very wide, FR/CS 0.50 [0.49, 0.55], frontal lobes as wide as frons, or slightly wider FL/FR 1.01 [1.00, 1.02]. Scape short, SL/CS 0.75 [0.70, 0.77], with short dorsal carina basally, strong parallel costulae extending scape. Promesonotal dorsum convex, metanotal groove shallow, but visible. Propodeal teeth long. Petiolar node cubic in profile, NOH/NOL 0.84 [0.78, 0.89], petiole relatively low, PEH/NOL 1.51 [1.43, 1.60]. General appearance coarsely rugose, ground surface microreticulate, dull. Head dorsum longitudinally rugose and microreticulate, occiput and sides rugoso-reticulate and microreticulate. Alitrunk dorsum rugoso-reticulate and coarsely microreticulate. Mesopleuron usually microreticulate. Dorsum of petiolar node rugoso-reticulate and microreticulate, dorsum of postpetiole longitudinally rugulose and microreticulate. Polygonal striation continuous on 1st gastral tergite, posteriorly disrupted. Basal part of first gastral tergite microreticulate (see fig. 7.), MRG 181.7 ±26.4 [150, 230]. Ventral surface of head with several short and few moderately long, straight, or few “C”-shape setae arising posterior to buccal cavity (see fig. 5.).

Gynes and Males are unknown.

Material examined (5 nest series, included 22 workers). ISRAEL - Migdal, Zedek , 15.02.1966. leg. Kosler (1[[worker]] / MSNM); TURKEY - Islahiye 7 rkm N, ca. 70km W Gaziantep , Prov. Gaziantep, 500mH 11.05.1997 leg. Schulz & K. Vock (11[[workers]] / PCAS, 6[[workers]] / HNHM); Sanliurfa, Camlidere 25km E Sanliurfa 500mH, Steppe 11.05.1997 leg. Schulz (4[[workers]] / PCAS);

Morphometrics. (23 workers measured).

Diagnosis. T. syriacumHNS workers differ from related species by the extremely wide frons, FR/CS 0.50 [0.49, 0.55].

For further combination of morphometric characters see Table 1-2.

Distribution. This species seems to be widespread over the Middle East.

Specimen Habitat Summary

Found most commonly in these habitats: 2 times found in date farm, 1 times found in roadside desert 7pm.

Found most commonly in these microhabitats: 3 times ground forager(s).

Elevations: collected from 680 - 750 meters, 729 meters average

Collect Date Range: collected between 1924-03-01 and 2011-09-27

Type specimens: syntype of Tetramorium semilaeve syracusium: casent0915052; syntype of Tetramorium syriacum: casent0904810; Type of unavailable quadrinomial: Tetramorium semilaeve syriacum cyprium: casent0915084



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