Contribution of Cytogenetics to the Debate on the Paraphyly of Pachycondyla spp. (Hymenoptera, Formicidae, Ponerinae)

Figure 3

Metaphasic plates representing the different chromosome patterns found in Pachycondyla species. (a) Pachycondyla impressa, 2𝑛=70, karyotype with a high number of chromosomes, mostly acrocentric. (b) Pachycondyla unidentata, 2𝑛=12, karyotype with a low number of chromosomes, comprised exclusively by type M chromosomes of large size. (c) Pachycondyla arhuaca, 2𝑛=36, Karyotype comprised exclusively by type A chromosomes. (d) Pachycondyla venusta, 2𝑛=54, Karyotype comprised by types A and M chromosomes, a pattern found in many species and very common in the Neoponera group.

(a)

(b)

(c)

(d)