''Heliocypha bisignata'',
[ stream ruby,][ is a species of ]damselfly
Damselflies are flying insects of the suborder Zygoptera in the order Odonata. They are similar to dragonflies, which constitute the other odonatan suborder, Anisoptera, but are smaller and have slimmer bodies. Most species fold the wings alo ...
in the family Chlorocyphidae
Chlorocyphidae is a family of damselflies, commonly known as jewels. These are colorful species native to the Old World tropics, where they occur along forest streams. They are most diverse in Southeast Asia.
Systematics
This family is monophyle ...
. It is endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...
to South India
South India, also known as Dakshina Bharata or Peninsular India, consists of the peninsular southern part of India. It encompasses the States and union territories of India, Indian states of Andhra Pradesh, Karnataka, Kerala, Tamil Nadu, and T ...
where it breeds in hill streams in the southern part of the country.
Description and habitat
It is a small damselfly with black head and big eyes. Its thorax is black with pink marks on the dorsum and yellow stripes on the lateral sides. Its fore-wings are transparent with outer fourth opaque in bright copper colors. Hind-wings are with outer third opaque, marked with two series of vitreous spots which glow with a copper or violet reflex. Its abdomen is black, marked
with yellow mid-lateral stripes and dots in segments 2 to 6. Female has dull colors and transparent wings. Its pterostigma
The pterostigma (plural: pterostigmata) is a group of specialized cells in the outer wings of insects, which are often thickened or coloured, and thus stand out from other cells. It is particularly noticeable in dragonflies, but present also in ...
is black with a pale creamy center.[
Males usually found perch on the rocks and floating logs and grasses in the forest stream. They fly occasionally to reveal their glistening wing patches. Females lay their eggs in submerged logs in forest streams.]
See also
* List of odonates of India
A ''list'' is any set of items in a row. List or lists may also refer to:
People
* List (surname)
Organizations
* List College, an undergraduate division of the Jewish Theological Seminary of America
* SC Germania List, German rugby union ...
* List of odonata of Kerala
References
External links
{{Taxonbar, from=Q2351219
Chlorocyphidae
Insects of India
Insects described in 1853