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Hydrobasileus croceus (brauer, 1867)
Family: LibellulidaeScientific Name: Hydrobasileus croceusCommon Name: Water Monarch Hydrobasileus croceus is a common dragonfly found in open-country reservoirs and ponds with abundant vegetation. I have observed this species at Upper Seletar Reservoir, Bukit Timah Nature Reserve, MacRitchie Reservoir, and Kranji Forest. The thorax and abdomen are brownish-orange in color. The abdomen has black markings at…
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Devadatta argyoides (Selys, 1859) @DFNP (14.09.25)
Family: Amphipterygidae (Grisettes)Scientific Name: Devadatta argyoidesCommon Name: Malayan Grisette Devadatta argyoides is a damselfly that is found in small streams in mature forests. It is reasonably large, stocky, and inconspicuous. In Singapore, this species is restricted to only a few locations and is reasonably rare. Pale-colored, moderately large damselfly with a sturdy boxy thorax. The…
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ictinogomphus decoratus melaenops (selys, 1858)
Family: GomphidaeScientific Name: Ictinogomphus decoratus melaenopsCommon Name: Flangetail The Common Flangetail, or Ictinogomphus decoratus, is a large species of dragonfly that is found in Singapore and other parts of Southeast Asia. It is a member of the Gomphidae family, which is distinguished by a noticeable protrusion at the end of its abdomen that resembles a…
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Tholymis tillarga (fabricius, 1798)
Family: LibellulidaeScientific Name: Tholymis tillargaCommon Name: White-barred Duskhawk This medium-sized dragonfly has coral red abdomen, yellowish red thorax, and reddish eyes. It has translucent wings, but the base of its hind wings has a golden-brown patch that is surrounded by a cloudy-white patch. The cloudy-white patch on the hind wings is absent in the brown…
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Dragonfly (Orthetrum chrysis) with deformed abdomen
Family: LibellulidaeScientific Name: Orthetrum chrysisCommon Name: Spine-tufted Skimmer An abdomen deformed Orthetrum chrysis was observed in Bukit Timah Nature Reserve during one of my dragonfly hunting trip. A dragonfly’s malformed abdomen may be the result of trauma, aberrant development, or even parasites. Also, during the dragonfly’s nymphal stage, deformities may occur that impact the formation…
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Aethriamanta gracilis (Brauer, 1878) – male
Family: LibellulidaeScientific Name: Aethriamanta gracilisCommon Name: Pond Adjutant A tiny, compact, light blue dragonfly, pond adjutant is frequently found near weedy ponds and marshy reservoir edges. Around noon, males frequently sit on foliage by the water to ward off rivals. Powder-blue pruinescence covers the male’s abdomen and thorax, with the exception of segments 8–10, which…
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Urothemis signata insignata (Selys, 1872) -yellow form(male); red form(female)
Family: LibellulidaeScientific Name: Urothemis signata insignataCommon Name: Scarlet Basker The red, somewhat big dragonfly Urothemis signata insignata is frequently found in open-country reservoirs, ponds, marshes, and coastal areas in Singapore. Males typically have red eyes, a red abdomen, and a red thorax. Red veins can be seen in the vicinity of the leading edges and…
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Anax panybeus (hagen, 1867)
Family: Aeshnidae (Hawkers)Scientific Name: Anax panybeusCommon Name: arrow Emperor Anax panybeus is a sizable dragonfly characterized by a blue-greenish coloration, resembling the Emperor species closely. The dark “T”-shaped mark on top of the frons and the longer, more constricted segment 3 of the abdomen set it apart from the Emperor. It exhibits less blue patterns…
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Agriocnemis nana (Laidlaw, 1914) – teneral male
Family: CoenagrionidaeScientific Name: Agriocnemis nanaCommon Name: Dwarf Wisp Agriocnemis nana is a tiny damselfly that is confined to the Central Catchment Nature Reserve. It is found in open forest habitats in the shallows of small streams, and lush foliage along the water’s edge of the reservoirs. Usually perches extremely low amid dense vegetation. A fully…
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Aciagrion hisopa-male
Family: CoenagrionidaeScientific Name: Aciagrion hisopaCommon Name: Blue Slim The little blue damselfly Aciagrion hisopa has a very slim body and thin wings. This species can be found in open, disturbed environments at shallow, weedy ponds, streams, and drains. This species is localized and extremely rare. Males typically have blue eyes with linked blue postocular dots.…
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Idionyx yolanda Selys, 1871- female, USR
Family: synthemistidaeScientific Name: Idionyx yolandaCommon Name: Shadowdancer Idionyx yolanda is a tiny to medium-sized dragonfly with vivid green eyes and a light build body. The sides of the metallic green thorax have yellow stripes. The abdomen is slim and black. The wings have a yellow tinge and are hyaline. At Upper Seletar Reservoir Park, I…
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Orthetrum glaucum (Brauer, 1865) – Consuming a shield bug as food
Family: LibellulidaeScientific Name: Orthetrum glaucumCommon Name: Common Blue Skimmer Orthetrum glaucum, the medium-sized blue dragonfly is frequently seen near the edges of forests or in open, disturbed habitats such as ponds, ditches, and streams. Males have dark blue thorx and greenish-blue eyes. The eyes of females are dull and greenish. The majority of the body…
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PICTURE OF SINGAPORE ODONATA 
