Table 1 Geo coordinates of the temporary water bodies of Coimbatore and Salem districts of Tamil Nadu

Water body	District	Area (ha)	Latitude	Longitude	Shade cover	Aquatic vegetation	Water contamination
Utkulam tank	Coimbatore	50.0	11° 01’N	76° 96’E	Partial	Present	-
Perur tank	Coimbatore	15.0	11° 11’N	76° 40’E	No	Absent	-
Vedapatty tank	Coimbatore	7.0	11° 01’N	76° 96’E	No	Absent	-
Nagarajapuram tank	Coimbatore	6.0	11° 01’N	76° 96’E	High	Present	-
Kovaipudur tank	Coimbatore	5.0	11° 01’N	76° 96’E	Partial	Present	-
Ukkadam tank	Coimbatore	25.0	11° 01’N	76° 96’E	No	Absent	Discharge of sewage water
Selvapuram tank	Coimbatore	10.0	11° 01’N	76° 96’E	High	Present	-
Poosaripalayam tank	Coimbatore	3.0	11° 01’N	76° 96’E	No	Absent	-
Boominaicken patti tank	Salem	0.25	11° 39’N	78° 12’E	No	Absent	-
Commanyeri tank	Salem	7.0	11° 39’N	78° 12’E	High	Present	-
Kamalapuram tank – 1	Salem	17.0	11° 39’N	78° 12’E	Partial	Present	-
Kamalapuram tank – 2	Salem	17.0	11° 39’N	78° 12’E	Partial	Present	-
Nallagoundam patti tank	Salem	0.2	11° 39’N	78° 12’E	Partial	Present	-

Table 2 Distribution of Odonata in temporary water bodies of Coimbatore and Salem districts of Tamil Nadu.

Name of the species

Water body

Coimbatore district

Salem district

A

B

C

D

E

F

G

H

I

J

K

L

M

Suborder: Anisoptera

Gomphidae

Ictinogomphus rapax (Rambur)

+

-

+

-

-

-

-

-

-

-

+

+

-

Libellulidae

Brachythemis contaminata(Fabricius)

+

-

-

+

+

+

-

+

+

+

-

-

-

Crocothemis servilia (Drury)

+

+

+

+

-

+

-

+

-

-

+

+

+

Diplacodes trivialis (Rambur)

+

+

+

+

+

+

+

+

+

+

+

+

+

Neurothemis tullia (Drury)

-

-

-

+

-

-

-

-

-

-

-

-

-

Orthetrum sabina (Drury)

+

+

+

+

+

+

+

+

+

+

+

+

+

Pantala flavescens (Fabricius)

+

+

+

+

+

+

+

+

+

+

+

+

+

Potamarcha congener (Rambur)

-

-

+

+

-

-

-

-

-

-

-

-

-

Rhodothemis rufa (Rambur)

-

-

-

+

-

-

-

-

-

-

-

-

-

Tholymis tillarga (Fabricius)

-

-

+

-

-

+

-

-

-

-

-

-

+

Tramea limbata (Desjardins)

+

-

-

-

-

-

+

-

-

-

-

-

+

Tramea basilaris (Palisot de Beavuvois)

+

-

-

+

-

-

-

-

-

-

+

+

+

Trithemis aurora (Burmeister)

+

+

-

-

-

-

-

-

-

-

-

+

+

Trithemis pallidinervis (Kirby)

+

+

+

-

-

+

-

-

-

+

+

+

+

Suborder: Zygoptera

Coenagrionidae

Agriocnemis pygmaea (Rambur)

+

-

-

-

+

-

-

-

-

-

+

+

-

Ceriagrion coromandelianum (Fabricius)

+

+

+

+

+

+

+

+

-

+

+

+

+

Ischnura aurora Brauer

+

-

-

+

-

-

-

-

-

+

-

-

+

Ischnura senegalensis (Rambur)

+

-

-

+

-

-

-

-

-

+

+

-

-

Pseudagrion decorum (Rambur)

-

-

-

+

-

-

+

-

-

-

-

-

-

Pseudagrion microcephalum (Rambur)

+

-

-

+

-

-

-

-

-

-

-

-

-

Lestidae

Lestes elatus Hagen in Selys

+

-

+

-

-

-

-

-

-

-

-

-

-

+ - Present; - - Absent; A – Utkulam; B – Perur; C – Vedapatty; D – Nagarajapuram; E – Kovaipudur; F - Ukkadam;

G – Selvapuram; H – Poosaripalayam; I - Boominaicken Patty; J – Commanyeri; K - Kamalapuram 1; L - Kamalapuram 2; M - Nallagoundam Patty

Table 3. Species diversity (Simpson) of Odonata in temporary water bodies of Tamil Nadu

Temporary water body	Species Diversity
Utkulam tank (CBE)	0.09
Perur tank (CBE)	0.13
Vedapatty tank (CBE)	0.11
Nagarajapuram tank (CBE)	0.08
Kovaipudur tank (CBE)	0.20
Ukkadam tank (CBE)	0.24
Selvapuram tank (CBE)	0.15
Poosaripalayam tank (CBE)	0.19
Boominaicken patty tank (SA)	0.14
Commanyeri tank (SA)	0.20
Kamalapuram tank – 1 (SA)	0.07
Kamalapuram tank – 2 (SA)	0.07
Nallagoundam patty tank (SA)	0.12

CBE – Coimbatore; SA – Salem