Key to Anochetus of the Mediterranean and Middle East

AntWiki - Where Ant Biologists Share Their Knowledge
Jump to: navigation, search

This worker key is based on: Kugler, Jehoshua and Ionescu, Armin 2007. Anochetus bytinskii, a new ant species from Israel (Hymenoptera: Formicidae). Israel Journal of Entomology. 37:287-298. PDF

You may also be interested in

Anochetus

1

  • Eye length < 0.13 mm; inner margins of mandible edentate (Iran) . . . . . Anochetus evansi
Anochetus evansi casent0902460 h 1 high.jpg
Anochetus evansi casent0902460 p 1 high.jpg
  • Eye length > 0.15 mm; inner margin of mandible denticulate . . . . . 2

2

return to couplet #1

  • Scape short, not extending to occipital lobe, SI < 85; length of second and third Funicular segments subequal; large eye, EI > 20; mesopleuron and metapleuron striate (Tunisia, Eritrea, Saudi Arabia, western India) . . . . . Anochetus sedilloti
Anochetus sedilloti sam-hym-c002796 head 1.jpg
Anochetus sedilloti sam-hym-c002796 profile 1.jpg
  • Scape longer, extending to or surpassing occipital lobe, SI > 90; length of second and third funicular segments equal; eye smaller, EI < 20; mesopleuron and metapleuron largely smooth . . . . . 3

3

return to couplet #2

  • Mesonotal disc about twice as wide as long or wider; propodeal declivity smoothly rounded in vertical and horizontal plane; petiole distinctly longer than wide (PI < 86), node about as high as long (PNI < 106), summit more or less rounded; cross striation on propodeal dorsum finer than on pronotal cervix, or obsolete (Israel) . . . . . Anochetus bytinskii
Anochetus bytinskii casent0281012 h 1 high.jpg
Anochetus bytinskii casent0281012 p 1 high.jpg
  • Mesonotal disk W/L < 2; propodeal declivity bordered by elevated ridges (costae) and/or declivity transversely concave posterior to transition from dorsum; petiole about as broad as long or broader (PI > 86), node higher than long (PNI > 110), with transverse summit; cross striation on propodeal dorsum equally strong or stronger than on pronotal cervix . . . . . 4

4

return to couplet #3

  • Eye length 0.16 – 0.22 mm in greatest diameter; mesonotal disk finely rugged, shagreened and dull; petiolar node scale-like, laterally strongly rounded; first gastric segment narrower than second or equally wide; antenna, mesosoma dorsum and tarsi with many strong suberect to erect hairs (Morocco, Southern Spain) . . . . . Anochetus ghilianii
Anochetus ghilianii casent0270572 h 1 high.jpg
Anochetus ghilianii casent0270572 p 1 high.jpg
  • Eye length > 0.24 mm in greatest diameter; sculpture of mesonotal disk variable, from striolate and strongly shiny to completely cross-striate; petiole width variable, node with parallel margins; first gastric segment broader than second; pilosity fine, antenna, mesosoma dorsum and tarsi with few suberect to erect hairs (Sudan, Eritrea, Saudi Arabia) . . . . . Anochetus traegaordhi
MCZ ENT Anochetus MOZ sp5 hef.jpg
MCZ ENT Anochetus MOZ sp5 hal.jpg