Difference between revisions of "Carebara nayana"

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One of a small number of ''Carebara'' species with [[Phragmosis|phragmotic]] majors.  
 
One of a small number of ''Carebara'' species with [[Phragmosis|phragmotic]] majors.  
 
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{{At a Glance
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|Item1 = Phragmotic
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|Link1 = Phragmosis
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==Identification==
 
==Identification==
 
{{Species identification keys}}
 
{{Species identification keys}}

Latest revision as of 17:30, 13 July 2019

Carebara nayana
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Carebara
Species: C. nayana
Binomial name
Carebara nayana
(Sheela & Narendran, 1997)

Carebara nayana F2.jpg

One of a small number of Carebara species with phragmotic majors.

At a Glance • Phragmotic  

 

Identification

Keys including this Species

Distribution

Distribution based on Regional Taxon Lists

Oriental Region: India (type locality).

Distribution based on AntMaps

AntMapLegend.png

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.

  • nayana. Neoblepharidatta nayana Sheela & Narendran, 1997: 89, figs. 1-4 (s., not q. as stated) INDIA. Combination in Oligomyrmex: Bolton, 2003: 273. Combination in Carebara: Fernández, 2004a: 196 (by implication).

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

Description

Queen

Holotype: TL2.9 mm; HL 0.80 mm; HW 0.65 mm; CI 81; SL 0.2 mm; SI 31; ED 0.02 mm; PW 0.40 mm; AL 0.74 mm.

Colour: Ferrugineous red, antennae and legs of light colour.

Sculpture and hair pattern: Whole body covered with dense, short and long hairs; long hairs erect and suberect, short hairs decumbent, most hairs curved at tip; anterior clypeal margin with 6 short median setae. Dorsal concave area of head and mandibles smooth, surrounding areas of head appear smooth in certain reflections, while faintly punctate with setigerous pits; region in between eyes and base of mandibles longitudinally striate; neck of pronotum shagreened; pronotum anteriorly with transversely arched striae, median portion smooth, posteriorly with faint longitudinal striae, sides of thorax finely punctate; propodeum finely punctate; upper region of propleura and a small area on mcsopleura smooth, metasternite above coxae striate and punctate; mesonotum rugoso punctate; post petiole dorsally smooth; gaster smooth.

Head: Distinctly longer than broad; posterior margin medially deeply emarginate; sides finely margined; frontal lobes extended forwards; lobes reaching vertex and join with posterior 'U' shaped margin of vertex; antennae arising from beneath anterior lamina of these lobes; in full face view cheeks hidden under frontal lamina; mandibles broad, massive, triangular, masticatory margin with 5 black teeth; clypeus very small, its posterior and lateral margins indistinct, anterior margin transverse with four short setae at its middle, clypeus a little depressed downwards; no distinct scrobe. Antennae very short, 11 jointed, club formed of apical two joints; terminal club segment longest, its length 0.6 x length of remaining segments of flagellum; F2-F7 transverse; FS subequal, F1 and club elongate; flagellum length 2.1 x scape; eyes very small consisting only two ommatidia; in profile, postero-dorsal edge ofhead finely angulate; ventromedian portion of head swollen and medially carinate, carinae starting from edge of' vertex end on either side of this median carina.

Thorax: Somewhat gibbous; pronotum with a short neck in front; antero-lateral corners rounded; mesotnetanotal suture distinct, propodeum posteriorly with two short teeth which project backwards and shorter than their basal width; propodeum medially concave; metathoracic spiracles almost at middle of stemites; metastemal teeth bluntly angulate, legs· short, stout; mid and bind ubiae without spurs; hind metatarsus 0.7 x length of femur.

Abdomen: Petiole with a short, stout peduncle in .front; node about 1.3 x length of peduncle; petiole distinctly transverse; sides straight, its length; breadth in dorsal view 3:7; postpetiole broader than petiole, transverse, flat above, postero-median part slightly depressed; length: breadth in dorsal view 5:10. Gaster broad; flat above, ventrally convex, T1 covering more than half its length.

Type Material

Holotype: Dealate female: India, Kerala, lritty Forest near Aaralamfann; Sheela. S; 16.xii.1995 (DZCU).

Etymology

Genus named after the genus Blepharidana and species name "napro" is taken from sanskrit word meaning eyes.

References