Key to Myrmica inezae species group

AntWiki: The Ants --- Online
Jump to navigation Jump to search

This worker key is based on: Bharti, H. & Sharma, Y.P. 2013. Three new species of genus Myrmica (Hymenoptera: Formicidae) from Himalaya. Journal of Asia-Pacific Entomology 16, 123–130.

You may also be interested in


Myrmica mixta is known only from gyne and excluded from the key

1

  • Whole mesosoma dorsum or at least part of it with coarse transverse rugae. Propodeal spines comparatively shorter (ESLI,0.45) . . . . . 2
  • Mesosoma dorsum with sinuous rugae and coarse reticulations, but never transverse rugae. Propodeal spines longer (ESLI 0.52) – North-eastern Pakistan . . . . . Myrmica rigatoi
Myrmica rigatoi P casent0904551.jpg

2

return to couplet #1

  • Whole mesosoma dorsum with transverse rugae. – India: Himachal Pradesh . . . . . Myrmica inezae
Myrmica inezae P casent0907636.jpg
  • Part of mesosoma dorsum with transverse rugosity . . . . . 3

3

return to couplet #2

  • Petiolar node with coarse transversally concentric rugae. Part of the pronotum with longitudinal rugae. Petiole with a very long peduncle (PI1>1.86). – India: Jammu and Kashmir . . . . . Myrmica radchenkoi
  • Petiolar node never with transverse rugae. Pronotum either reticulate or with transverse coarse rugae, but never with longitudinal rugae. Petiole with comparatively short peduncle (PI1,1.78) . . . . . 4

4

return to couplet #3

  • Petiolar dorsum feebly reticulate and punctured. Postpetiole smooth and shiny. Sides of the pronotum reticulate. Propodeal spines feebly curved at the tips. – India: Himachal Pardesh . . . . . Myrmica curvispinosa
  • Petiolar dorsum feebly reticulate, without punctures. Postpetiole rugulose and with few longitudinal striations. Sides of the pronotum with transverse rugae. Propodeal spines not curved . . . . . 5

5

return to couplet #4

  • Propodeum longitudinally rugose. Propodeal spines longer than the distance between their tips, ESDI > 1.24, petiole long (PI1 1.73.) — India: Uttarakhand . . . . . Myrmica religiosa
  • Propodeumtransversally rugose. Propodeal spines shorter than the distance between their tips, ESDI > 1.41, petiole comparatively short (PI1 1.62.) – India: Himachal Pardesh . . . . . Myrmica kothiensis