Environmental Engineering Reference
In-Depth Information
Habitat
Almost all kinds of well-vegetated freshwater
habitats, including seasonal.
22.
Diplacodes trivialis
(Rambur, 1842)
English Name
Ground Skimmer.
Conservation Status
IUCN Red List: Least Concern.
Description
Small-sized greenish-yellow or blue dragonfl y
with black markings.
Male: Abdomen 19.0-22.0, hindwing 22.0-
23.0 mm (Fraser
1936
; Subramanian
2009
),
abdn. 19.0-20.5, fwing. 23.0-24.0, hwing. 21.0-
22.0 mm (Prasad
1996a
,
b
), abdn. 20.0, fwing.
23.0-24.0, hwing. 22.0 mm (Prasad
2004b
).
Female: Abdomen 18.0-20.0, hindwing 22.0-
24.0 mm (Fraser
1936
; Subramanian
2009
), abdn.
18.0-19.5, fwing. 23.0-24.0, hwing. 20.5-21.0 mm
(Prasad
1996a
,
b
), abdn. 19.0-19.5, fwing. 23.5-
24.0, hwing. 21.0-21.5 mm (Prasad
2004b
).
Threats
Drainage and destruction of swampy habitats.
21.
Diplacodes nebulosa
(Fabricius, 1793)
English Name
Black-Tipped Ground Skimmer.
Description
Small-sized greenish-yellow and black dragonfl y
with black-tipped transparent wings.
Male: Abdomen 15.0-17.0, hindwing 17.0-
19.0 mm (Fraser
1936
; Subramanian
2009
), abdn.
16.0, fwing. 20.0, hwing. 19.0 mm (Prasad
1996a
,
b
).
Female: Abdomen 14.0-15.0, hindwing 18.0 mm
(Fraser
1936
; Subramanian
2009
), abdn. 12.0,
fwing. 16.0, hwing. 15.0 mm (Prasad
1996a
,
b
).
Distribution
Rajasthan
Pichola Lake, Udaipur; Thar Desert at Osian,
Jodhpur; Keoladeo National Park, Bharatpur; in
and around Mount Abu Wildlife Sanctuary, Sirohi
district.
Distribution
Rajasthan
Thar Desert; Lake Kailana and Balsamand,
Jodhpur dist.
India
Andaman and Nicobar Islands, Andhra Pradesh,
Assam, Arunachal Pradesh, Bihar, Chandigarh,
Chhattisgarh (Bastar dist.), Delhi, Gujarat (Ahwa,
Jamnagar and Junagadh dists.), Eastern Himalaya,
Goa, Himachal Pradesh (Kangra dist.), Jharkhand
(Dhanbad), Karnataka, Kerala, Madhya Pradesh,
Maharashtra (Sanjay Gandhi National Park),
Manipur, Meghalaya, Mizoram, Nagaland,
Odisha, Punjab (Hoshiarpur dist.), Sikkim, Tamil
Nadu, Tripura, Uttarakhand (Dehra Dun and
Nainital dists.), Uttar Pradesh and West Bengal
(Kolkata).
India
Assam, Bihar, Chhattisgarh (Bastar dist.), Delhi,
Haryana, Himachal Pradesh (Renuka Wetland,
Sirmour dist.), Jharkhand (Dhanbad), Karnataka,
Kerala, Madhya Pradesh, Maharashtra, Manipur,
Meghalaya, Mizoram, Punjab (Amritsar dist.),
Sikkim, Tamil Nadu, Uttarakhand (Dehra Dun
and Nainital dists.), Uttar Pradesh and West
Bengal (Kolkata).
Habitat
It is found at marshes, well-vegetated ponds and
lake shores.
Habitat
It breeds in ponds, wet ricefi elds, shallow lakes,
drainage ditches and similar habitats.
Conservation Status
IUCN Red List: Least Concern.
Conservation Status
IUCN Red List: Least Concern.
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