Camponotus keralensis

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Camponotus keralensis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Camponotus
Species: C. keralensis
Binomial name
Camponotus keralensis
Karmaly & Narendran, 2006

Other than a statement that the type was collected from a disturbed habitat, nothing is known about the biology of Camponotus keralensis.

Identification

Karmaly & Narendran (2006) - This species comes close to Camponotus thraso in the following characters: 1. Head rectangular; 2. Clypeus carinate with a short lobe, its anterior margin transverse; 3. Antennae slender filiform; 12 jointed; 4. Thorax viewed from side forming a regular arch; 5. Circular anal orifice at the apex of the hypopygim ventrally guarded by guard hairs. However it differs from Camponotus thraso in having: 1. Teeth not obsolete (in Camponotus thraso teeth obsolete); 2. Meso-metanotal suture distinct (in Camponotus thraso meso-metanotal suture indistinct); 3. Petiolar node convex in front, flat posteriorly (in Camponotus thraso petiolar node biconvex as long as broad).

Distribution

Kerala, India.

Distribution based on Regional Taxon Lists

Oriental Region: India (type locality).

Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Castes

Nomenclature

The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • keralensis. Camponotus (Tanaemyrmex) keralensis Karmaly & Narendran, 2006: 78, figs. 23, 24 (w.) INDIA.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.

Description

Worker

TL = 5 mm; HL = 1.2 mm; HW = 0.94 mm; CI = 78.33 mm; SL = 1.03 mm; SI = 109.57 mm; ED= 0.23 mm; PW = 0.73 mm; AL = 1.9 mm.

Colour: Very dark castaneous brown; antennae, pedicel, legs lighter than remaining parts; basal half of the scape, 1st funicular segment, coxa, trochanter, tarsi, pale yellowish brown; pronotum reddish brown.

Sculpture and Hair pattern: Whole body very minutely reticulate punctate; pubescence almost absent; very scanty scattered erect hairs visible; abdomen shining.

Head: Rectangular, as broad posteriorly as in front; cheeks straight; occiput rounded; mandibles moderately broad, 6-toothed (one apical tooth followed by 5 acute teeth); clypeus carinate with a short lobe, its anterior margin transverse, posterior margin concave; frontal lobe distinct; frontal carinae short, wide apart posteriorly; antennal carinae short, moderately close together, divergent posteriorly; antennal scrobe very short; antennae slender, filiform, 12 jointed, antennal scape extending above the vertex; all segments of funiculus longer than broad; club single segmented, longer than other funicular segments. Relative measurements of length of antennal segments. Scape = 1.03 mm; F1 = 0 23 mm; F2 = 0.23 mm; F3 = 0.23 mm; F4 = 0.33 mm; F5 = 0.28 mm; F6 = 0.23 mm; F7 = 0.19 mm; F8 = 0.14 mm; F9 = 0.23 mm; F10 = 0.19 mm; Club (F11) = 0.38 mm. Eyes small, situated above the midlength of head, postero-lateral.

Thorax: Viewed from side forming a regular arch, somewhat depressed in front, strongly compressed posteriorly; pronotum anteriorly rounded, narrow, posteriorly broad; pro-mesonotal suture distinct; meso-metanotal stuture indistinct; propodeum steeply sloping from ventral base of petiole; legs short; tibiae compressed, not prismatic, destitute of spines beneath; basal region of tarsi rounded, slightly curved, tibial spurs visible.

Abdomen: Pedicel sessile, nodiform; petiolar node convex anteriorly, flat posteriorly; gaster laterally forming an arch, elongate, last gastral segment ends with circular anal orifice guarded by guard hairs.

Type Material

Holotype: Worker: INDIA: Kerala, Bharanaganam [Kottayam], Sureshan P.M., 28.x.2000 (DZSXCA). Paratype: 1 W: With the same data as that of holotype (DZSXCA).

Etymology

Named after the State from which the specimen was collected.

References