Environmental Engineering Reference
In-Depth Information
31. Tramea basilaris burmeisteri (Palisot de
Beauvois, 1805)
Remarks
An extremely widespread species, occurring
throughout Africa and extending into Iran, India
and Sri Lanka, Nepal, Myanmar and Thailand.
Also recognised as two subspecies, T. basilaris
basilaris (Beauvais, 1817) and T. basilaris bur-
meisteri Kirby, 1889 (from India, Malaysia,
Myanmar, Nepal, Oriental region and Sri Lanka).
English Names
Keyhole Glider, Red Marsh Trotter, Wheeling
Glider.
Description
Medium-sized red or yellow dragonfl y with
brown and yellow patches on hindwings.
Male: Abdomen 30.0-35.0, hindwing 40.0-
44.0 mm (Fraser 1936 ; Subramanian 2009 ).
Female: Abdomen 32.0-36.0, hindwing 38.0-
45.0 mm (Fraser 1936 ; Subramanian 2009 ),
abdn. 32.0-33.0, fwing. 42.0-43.0, hwing. 41.0-
42.0 mm (Prasad 1996a , b ).
32. Tramea virginia (Rambur, 1842)
English Name
Olive Marsh Trotter.
Description
Male: Face olivaceous, eyes reddish-brown/lila-
ceous, thorax olivaceous-green, abdomen brick
red and marked with black/reddish spot, anal
appendage black/red, wings hyaline with reddish
reticulation at basal half and tinted with amber-
yellow, base of forewing tinted with golden
amber, base of hindwing with a brunt-brown or
reddish-brown mark, pterostigma blackish-
brown and legs black or reddish-brown.
Abdomen 34.0-37.5, hindwing 43.0-49.0 mm
(Fraser 1936 ), abdn. 34.0, fwing. 43.0, hwing.
42.5 mm (Prasad 1996a , b ).
Female: Differs only basal marking on hind-
wing in a large indentation on basal side cutting
into two spots, anal appendage black, straight and
very narrow.
Abdomen 35.0, hindwing 49.0 mm (Fraser
1936 ), abdn. 34.0, fwing 49.5, hwing. 48.5 mm
(Prasad 2004b ).
Distribution
Seen up to altitude over 2,133.6 m/7,000 ft (in
Nilgiris).
Rajasthan
Thar Desert; Keoladeo National Park, Bharatpur;
Mandore gardens nr. Jodhpur.
India
Andhra Pradesh (Kolleru Lake), Bihar,
Chhattisgarh (Bastar dist.), Deccan, Delhi,
Haryana (Hissar), Jharkhand (Dhanbad), Kerala
(Kollam, Marayur), Madhya Pradesh (Sagar
dist.), Maharashtra (Karnala Bird Sanctuary,
Panvel, nr Mumbai), Meghalaya, Odisha, Punjab
(Hoshiarpur dist.), Tamil Nadu (Nilgiris),
Uttarakhand, Uttar Pradesh and West Bengal
(Kolkata).
Distribution
Habitat
It is known to breed in ponds and marshes.
Rajasthan
Thar Desert; in and around Mount Abu Wildlife
Sanctuary, Sirohi district.
Conservation Status
IUCN Red List: Least Concern.
India
Bihar, Chhattisgarh (Bastar dist.), Gujarat
(Ahmedabad dist.), Himachal Pradesh (Kangra
dist.), Jammu and Kashmir, Tamil Nadu, Uttarakhand
(Dehra Dun dist.), Uttar Pradesh and West Bengal.
Threats
Presently no signifi cant global threats although it
may be under threat from habitat loss in the
future.
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