Prodasineura verticalis
Encyclopedia
Prodasineura verticalis is a damselfly
Damselfly
Damselflies are insects in the order Odonata. Damselflies are similar to dragonflies, but the adults can be distinguished by the fact that the wings of most damselflies are held along, and parallel to, the body when at rest...

 in Protoneuridae
Protoneuridae
Protoneuridae is a family of damselflies. Most species are commonly known as threadtails, while others are commonly known as bambootails. They are called threadtails because their abdomen are pin-thin. Threadtails are usually small size damselflies and their wings are usually transparent...

. Its commonly known as the black bambootail. The common name bambootails is used for damselflies in the family Protoneuridae in the country India. The black bambootail is medium size damselfly, its hindwings are about 19–20 mm and the abdomen about 30 mm. The male of this damselfly is mostly black with bright orange stripes on its thorax and small yellow spots on the abdomen. The pterostigma
Pterostigma
The pterostigma is a cell in the outer wing of insects which is often thickened or coloured and so stands out from other cells. It is particularly noticeable in dragonflies, but present also in other insect groups, such as snakeflies, hymenopterans and megalopterans.The purpose of the pterostigma,...

 or the wing spot is diamond-shaped and is dark brown in colour. The female is similarly coloured to the male but her thoracic stripes are paler and more yellowish. Male black bambootails are often seen hovering over fast flowing streams when they are rather difficult to see. They are also found along the banks of large ponds and rivers. They usually are sitting among emergent water plants. The oviposition
Oviposition
Oviposition is the process of laying eggs by oviparous animals.Some arthropods, for example, lay their eggs with an organ called the ovipositor.Fish , amphibians, reptiles, birds and monetremata also lay eggs....

 takes place on vegetation or on submerged roots in shallow running water, with the pair in tandem.

Distirbution

Prodasineura verticalis can be found in these Asian countries, which are China, Guangxi
Guangxi
Guangxi, formerly romanized Kwangsi, is a province of southern China along its border with Vietnam. In 1958, it became the Guangxi Zhuang Autonomous Region of the People's Republic of China, a region with special privileges created specifically for the Zhuang people.Guangxi's location, in...

, India, Indonesia
Indonesia
Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

, Laos
Laos
Laos Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ Sathalanalat Paxathipatai Paxaxon Lao, officially the Lao People's Democratic Republic, is a landlocked country in Southeast Asia, bordered by Burma and China to the northwest, Vietnam to the east, Cambodia to the south and Thailand to the west...

, Malaysia, Peninsular Malaysia
Peninsular Malaysia
Peninsular Malaysia , also known as West Malaysia , is the part of Malaysia which lies on the Malay Peninsula. Its area is . It shares a land border with Thailand in the north. To the south is the island of Singapore. Across the Strait of Malacca to the west lies the island of Sumatra...

 Myanmar
Myanmar
Burma , officially the Republic of the Union of Myanmar , is a country in Southeast Asia. Burma is bordered by China on the northeast, Laos on the east, Thailand on the southeast, Bangladesh on the west, India on the northwest, the Bay of Bengal to the southwest, and the Andaman Sea on the south....

, Singapore
Singapore
Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...

, and Thailand
Thailand
Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

.

Subspecies

This damselfly species has six subspecies. The following are the subspecies.
  • Prodasineura verticalis andamanensis
  • Prodasineura verticalis annandalei
  • Prodasineura verticalis burmanensis
  • Prodasineura verticalis delia
  • Prodasineura verticalis humeralis (often treated as a distinct species)
  • Prodasineura verticalis verticalis
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