Table 2 Presence/absence of m chromosomes in different geographical populations of the species

1

Brachydiplax farinosa

Kruger, 1902

India

13 m

Dasgupta (1957)

Thailand

13

Kiauta and Kiauta (1983)

2

Brechmorhoga mendax

(Hagen, 1861)

Nevadaco (U.S.A)

13 m

Cruden (1968)

Humboldt County (U.S.A)

13

3

Erythemis attala

(Selys, 1857)

Argentina

13 m

Agopian and Mola (1988)

Bolivia

13

Cumming (1964)

4

Erythrodiplax basalis

(Kirby, 1897)

Brazil

13 m

Ferreira et al. (1979)

X and m chromsomes have approximately the same size

Bolivia

13

Cummnig (1964)

Surninam

13

Kiauta (1979)

Responsible for the geographical variation in the male abdominal and wing coloration

5

Erythrodiplax berenice

(Drury, 1773)

North Carolina, USA

13

Cruden (1968)

North Dakota, USA

14 m

Hung (1971)

6

Erythrodiplax fusca

(Rambur, 1842)

Surinam

13 m

Kiauta (1979)

m bivalent is a little larger than the X chromosome

Brazil

13 m

Souza Bueno (1982)

m bivalent is a little larger than the X chromosome

Brazil

13 m

Ferreira et al. (1979)

X and m chromsomes have approximately the same size

Argentina

13 m

Mola (1996)

The m bivalent has only half the size of the X chromosome

Chile

12 m

Kiauta and Boyes (1972)

m bivalent is a little larger than the X chromosome

Bolivia

13

Cumming (1964)

Guatemala

13

Cruden (1968)

7

Leucorrhinia hudsonica

(Selys, 1850)

California (U.S.A)

13 m

Cruden (1968)

Oregon (U.S.A)

Wisconsin (U.S.A)

13

8

Leucorrhinia intacta

(Hagen, 1861)

California (U.S.A)

13 m

Cruden (1968)

Wisconsin (U.S.A)

Ohio (U.S.A)

13

9

Orthemis ferruginea

(Fabricius, 1775)

Guatemala

12 m

Cruden (1968)

Dominica

12 m

Cruden (1968)

Peru

12 m

Kiauta and Boyes (1972)

Presence of one large autosomal bivalent

Surinam

12 m

Kiauta (1979)

Brazil

12 m

Ferreira et al. (1979)

Presence of one large autosomal bivalent

Bolivia

12

Cumming (1964)

U.S.A

12

Cumming (1964)

10

Pachydiplax longipennis

(Burmeister, 1839)

California (U.S.A)

13 m

Cruden (1968)

Florida (U.S.A)

13

Virginia (U.S.A)

11

Trithemis annulata

(Palisot de Beauvoi 1805)

Kenya

13 m

Wasscher (1985)

Republic of South Africa

13

Boyes et al. (1980)