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Monday, September 26, 2016

Neolucanus nitidus (Saunders, 1854)

Neolucanus nitidus (Saunders, 1854) was found from North and Center of Vietnam.

Neolucanus maximus (Houlbert, 1912)

Neolucanus maximus (Houlbert, 1912) is a large size of the genus, they found may localities in Vietnam.

Friday, September 23, 2016

Prosopocoilus (Cladognathus) confucius Hope, 1842

Prosopocoilus (Cladognathus) confucius Hope, 1842 is a fancy and common species of Lucanidae in Vietnam.

Tuesday, August 9, 2016

Globitermes sulphureus (Haviland, 1898)

Globitermes sulphureus is a colorful species of termite that found very common in South Center of Vietnam. The species also be found from South East Asia. They are characteristic with brighten yellow abdomen of solder members that bearing a pairs of strongly curved inn-ward mandibles. The name of the species maybe because of the abdomen color of the solder, yellow of sulfur.

Brighten yellow solder termite with strong inner curved mandibles, photographed by Cuong Do, 2016

The species also known as Nitrogen fixing species that can help the soil be rich, so besides the important role on Carbon cycle of the ecosystem, they also are one of a key species of Nitrogen cycle in tropical forests.

The nest of the species can easily recognized on the ground with size quite large, some time reach to 0.7m about the ground.

Under the cover layer of the nest, there is a strong wall system and making the "skeleton" of the nest, they look like coral skeleton structure. Photographed by Cuong Do.

Because the nest of termite is quite stable condition so there are many other species can be found, they live in side some part of their life time or whole life. It is a safe place (protected by solder), good and stable conditions (temperature and humidity).

A pupa of Lepidoptera found in side of the termite nest, photographed by Cuong Do

Myself and Globitermes sulphureus nest in Bidoup National Park, 2016, photo taken by Prf. Kashio

The nest can be found near the food source or far from the food source (dead tree), in the video clip above, the nest was made just next to a dead tree, by Cuong Do, 2016 

The structure of the nest is very strong with hard wall and "skeleton", thick wall layer that cover whole the nest quite thick to keep the condition inside of the nest be stable.

Uncovering the nest of Globitermes sulphureus by Cuong Do, 2016

Worker termites of the species are very active and they rebuild the next very quick, after only one day, almost of the hole of the nest be covered.

Globitermes sulphureus nest be covered all most of the holes after 1 days, photographed by Cuong Do

And up to the 2nd day, the nest be recover with the wall out side, except some holes (gates), photographed by Cuong Do

A small hole of the nest, the workers are working very hard and they always were protected by yellow solder termites, photographed by Cuong Do.

Monday, July 4, 2016

Creobroter gemmatus (Stoll, 1813)

Creobroter gemmatus (Stoll, 1813) is one of the most common species of the flower mantis family, Hymenopodidae. The order Mantodea was considered belong to the Orthoptera, however now it is treated as an independent order of insect class.
In Vietnam there have been 2 species of the genus be recorded. Creobroter gemmantus and Creobroter urbanus. While Creobroter gemmantus found both from North and South Vietnam, Creobroter urbanus seem distribute in North of Vietnam. Creobroter gemmantus also very common in Asia - South East Asia.
They are flower mimic predator, male and female of the species are not so difference and extremely colorful as open their wings.
They are also be bred as a kind of pet, and considered as an easy breeding insect.

Creobroter gemmatus (Stoll, 1813) - Photographed by Ta Thanh

Thursday, June 30, 2016

Polyrhachis bicolor Smith, 1858

Polyrhachis bicolor Smith, 1858 is a wide distributed species, the holotype was collected from Myanmar and deposited in London Museum of Nature History. They now have been recorded from Australia to IndoMalaya Region as well as China. Name of the species maybe express the colors of the ant (bi=two), they are characteristic with dark grey head and thorax and red abdomen and legs.
The species has 9 subspecies: Polyrhachis bicolor atrocastanea, Polyrhachis bicolor aurata, Polyrhachis bicolor aurinasis, Polyrhachis bicolor brachyacantha, Polyrhachis bicolor comata, Polyrhachis bicolor erecta, Polyrhachis bicolor exflavicornis, Polyrhachis bicolor fumata, Polyrhachis bicolor weyeri.

Polyrhachis bicolor Smith, 1858 - photographed by Ta Thanh