|Orthetrum sabina (Drury, 1770),
Slender Skimmer, is a species of dragonfly in family Libellulidae.
Slender Skimmer is yellow to greenish
yellow in colour, with black markings. There are the yellow and black strips
on the body sides and brown spot at base of hindwings. Male and female
look the same. Length around 43mm, wingspan 80mm. Green Skimmers do not
have colourful bodies and wings and thus cannot be sighted easily when
they are hiding themselves in grasslands.
As its common name implied, its body
is slender. The species is featured with a long and narrow abdomen, abdomen
section 1-3 swollen like a ball, section 4-6 greatly reduced in size, section
7-10 expand again. The body shape is not ordinary at all.
Slender Skimmers are aggressive predators
which frequently hunt for insects with body sizes comparable with them.
They are brave and can drive off any dragonflies staying too close to them
no matter how big those species are.
Slender Skimmers can be found at
different types of habitats, including still or sluggish shallow often
temporary waterbodies. The species prefer to appear only on those days
with warm temperature.
Common and widely distribute in North
Africa, Arabia, Australia, Cambodia, China (including Taiwan), Cyprus,
India, Japan, Laos, Middle East, New Guinea, Russia, Samoa, Sardinia, South
East Asia and Vietnam. In China, it appears in Southern Provinces as Zhejiang,
Yunnan, Hubei, Hunan, Sichuan, Chongqing, Fujian, Guangdong, etc.