Thiania bhamoensis
Encyclopedia
Thiania bhamoensis is a species of jumping spider
Jumping spider
The jumping spider family contains more than 500 described genera and about 5,000 described species, making it the largest family of spiders with about 13% of all species. Jumping spiders have some of the best vision among invertebrates and use it in courtship, hunting and navigation...

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Description

The species is iridescent green-blue. Females are more green, males more blue.
From the front view, the female's face are black. And the males are white.

Nicylla sundevalli, which also occurs in Burma, is said to be very close to this species.

Behavior

These spiders build a silken retreat by binding a pair of green leaves together, where they rest, moult and lay their eggs, which is unusual for a jumping spider. Making a single rivet to attach the leaves takes about half an hour. About four to ten rivets are arranged in a roughly elliptical manner. These nests are built by both sexes and juveniles. Although T. bhamoensis can be found on many kinds of plants, it most often chooses Crinum asiaticum
Crinum asiaticum
Common names:Poison Bulb, Giant Crinum Lily, Grand Crinum Lily, Grand Crinum Lily, Spider LilyCrinum asiaticum can be found in China, Hong Kong, Jeju-do in South Korea, India, Ryukyu Islands, Mainland Japan and in Sri Lanka. Crinum pedunculatum is considered by some sources to be a variety of this...

(spider lily).

The white elliptical egg sacs are about two to three times the size of the spider and are attached inside the nest.

Twelve different displays were identified during fights between males, including pushing, possibly to assess the weight of the other male.

Fighting spider

Because two males will readily fight each other, either in a natural setting, or if put together, they are commonly known as "fighting spider" in South-east Asia. These spiders are commonly kept in matchboxes with a piece of green leaf and a spat of saliva for moisture. A spider that wins fight after fight gets the status of "first king". A common belief is that the darkest males are most aggressive.

In a laboratory setting, males were kept in small containers (9 cm diameter, 6.5 cm high) and provided with moist leaves for retreat building, moist cotton and three adult Drosophila melanogaster
Drosophila melanogaster
Drosophila melanogaster is a species of Diptera, or the order of flies, in the family Drosophilidae. The species is known generally as the common fruit fly or vinegar fly. Starting from Charles W...

three times a week.

Name

The species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 name of this spider literally means "From Bhamo", referring to Bhamo
Bhamo
Bhamo is a city of Kachin State in northernmost part of Myanmar, located 186 km south from the capital city of Myitkyina. It is on the Ayeyarwady River. It lies within 65 km of the border with Yunnan Province, China. The population consists of Chinese and Shan, with Kachin peoples in...

, a city in northern Burma.

External links

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