Table 3 Two chromosome complement (with/without m chromosomes) in the same speciemen of species

1.

Diplocodes haematodes

(Burmeister, 1839)

Australia

12, 13 m

Kiauta (1969b)

Increase in chromosome number is due to fragmentation

2.

Elasmothemis Williamsoni

Ris, 1919)

Surinam

11, 12

(Occasionally 13 m)

Kiauta (1979) as Dythemis williamsoni

Ris, 1916

Neo-XY in n = 11; m chromosomes are minute size in n = 13

3.

Erythrodiplax berenice

(Drury, 1773)

U.S.A

13, 14 m

Hung (1971)

4.

Leucorrhinia frigida

Hagen, 1890

U.S.A

11, 12 m

Cruden (1968)

Decrease in chromosome number is due to fusion of autosomes

5.

Ologoclada laetitia

(Ris, 1911)

Brazil

11, 12 m

Souza Bueno (1982)

6.

Orthetrum coerulescens

(Fabricius, 1798)

Italy

13 m, 14 m

Kiauta (1971)

increase in chromosome number is due to fragmentation of autosomes

7.

Tholymis tillarga

(Fabricius, 1798)

India

12, 13 m

Kaur (2016)

m chromosomes are very minute in size