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Pic 13572
Full size 193 kb 
Upl on 2013-01-22

Oligoaeschna foliacea (Lieftinck, 1968)
Photo taken in Sri Aman (Malaysia) on 2008-06-02

Bottom view of the terminal segments of an adult female Oligoaeschna foliacea.
1) Lam - the basal plate of ovipositor (lamina valvarum)
2) V2 - second valves of ovipositor (valvulae 2)
3) V3 - third valves of ovipositor (valvulae 3)
4) Stylus - a pair of thin needle like stylus that serves as sensor in egg positioning;
5) Spiky Anal Base - Anal base at the last segment with sharp spike that perhaps serves as anchor to stabilize the abdomen while the ovipositor is inserting eggs into plant.

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Pic 13576
Full size 167 kb 
Upl on 2013-01-22

Oligoaeschna foliacea (Lieftinck, 1968)
Photo taken in Sri Aman (Malaysia) on 2008-06-02

Oligoaeschna foliacea most frequently found in swampy alluvial forests in the lowlands.
The black tire background of this photo is the jetty of Sri Aman Town located at the lower Lupar River in Malaysia.

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Pic 13575
Full size 208 kb 
Upl on 2013-01-22

Oligoaeschna foliacea (Lieftinck, 1968)
Photo taken in Sri Aman (Malaysia) on 2008-06-02

Oligoaeschna foliacea has a heavily built thorax with color range from dark reddish-brown to black and marked darkly with green similar to the male.

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Pic 13574
Full size 241 kb 
Upl on 2013-01-22

Oligoaeschna foliacea (Lieftinck, 1968)
Photo taken in Sri Aman (Malaysia) on 2008-06-02

Female Oligoaeschna foliacea.
Wings - the two main visual differences between wings of Male and Female are :
1) Wings color - This females have extensive semi-hyaline reddish-brown patches while a male's wings are uniformly colored in pale amber.
2) Hindwing Base - Female's hindwing base is round while Male's are pointed.
The measurement of the female is :
- Front wing span is 9 cm
- Body length is 6 cm not including the appendage.

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Pic 13573
Full size 232 kb 
Upl on 2013-01-22

Oligoaeschna foliacea (Lieftinck, 1968)
Photo taken in Sri Aman (Malaysia) on 2008-06-02

This Female Oligoaeschna foliacea's appendages still intact.
Female appendages normally break off with mating. When intact the female appendages are long and very broadly paddle-shaped with a thin stalk. The function of these long racquet like appendage curious structures is unknown.

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Pic 12698
Full size 124 kb 
Upl on 2012-07-16

Oligoaeschna modigliani
Photo taken in ICIMOD wetland (Nepal) on 2012-05-05

This female has been identified using Fraser, 1936 as Oligoaeschna martini - not modigliana. The close-up of the face and upper thorax are useful for ID.

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Pic 12697
Full size 233 kb 
Upl on 2012-07-16

Oligoaeschna modigliani
Photo taken in ICIMOD wetland (Nepal) on 2012-05-05

This female has been identified using Fraser, 1936 as Oligoaeschna martini not modigliani KC.

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Pic 13665
Full size 137 kb 
Upl on 2013-02-06

Onychargia atrocyana (Selys, 1865)
Photo taken in Roxas, Palawan (Philippines) on 2013-01-29

Male

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Pic 12063
Full size 73 kb 
Upl on 2012-04-18

Onychargia atrocyana (Selys, 1865)
Photo taken in Roxas, Palawan (Philippines) on 2012-02-26

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Pic 11848
Full size 36 kb 
Upl on 2012-01-15

Onychargia atrocyana (Selys, 1865)
Photo taken in Banlaksong, Banphaeo distric, Samutsakhon province (Thailand) on 2011-08-03

male

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