Green weaver ant (Oecophylla smaragdina)

Rangrang or Asian weaver ant or green weaver ant (Oecophylla smaragdina) is a species of insects in Formicidae, arboreal, rather large ants that are known to have high ability in forming webbing for nests, brown-red-green, social insects and forming colonies in very high populations.

O. smaragdina creates territorial, fierce temperament and attacks anything that approaches the area. Many tree owners in Southeast Asia use them to preserve fruit. The larvae are known as Kroto which are favored by birds being a secondary trading commodity for additional income by farmers.

Ant Weaver has two species that are still alive is the Asian weaver ant (O. smaragdina) which is widespread in tropical Asia and Australia, African weaver ant (O. longinoda) inhabits the tropics in Africa, while the other species in this genus are fossils.

They are the dominant ants in the open forest and make leaf nests which are held together with larval silk. Ants have been important in research on the integration of control, communication, territoriality, colonizing life and controlling agricultural pests.

Weaver ant is a true social insect, has a social structure and the life of the colony is very dependent on the tree. The queen are females, measuring 20-25 mm, green or brown in color and has the duty to spawn babies. The male is in charge of marrying the queen and dying.

The worker are females, measuring 56 mm, orange and greenish, in charge of caring for young ants. Warriors are females, measuring 810 mm, generally orange in color, having strong long legs, long antennae, large jaws, guarding nests, searching and gathering food for all colonies and building nests.

Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Genus: Oecophylla
Species: O. smaragdina

Sandbox tree (Hura crepitans)

Sandbox tree ( Hura crepitans ) is species in Euphorbiaceae, a tropical tree, growing up to 60 meters tall and with a trunk circumference of up to 13.2 meters, the trunk is covered with long and sharp thorns and exudes a poisonous sap. H. crepitans has large, oval leaves, 15 cm wide and 20 cm long. The petioles are 22 cm long. The flowers are red and lack petals. Male flowers grow on long stalks, while female flowers grow singly in leaf axils. The fruit is a large, flask-shaped capsule, up to 10 cm in diameter, with 12-16 radially arranged carpels. The seeds are flat and about 2 cm in diameter. The capsule bursts when ripe, dividing into segments and ejecting the seeds at a speed of 70 m/s, a distance of 30-100 meters. This tree prefers moist soil and partial shade or partial to full sun, a warm, humid environment. It is often cultivated for shade. The wood is light and used to make canoes. The sap is used to poison fish. Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiosperma...

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Lintah raksasa or giant green leech ( Raksasa hijau ) is a species of animal in Salifidae, large green leeches, carnivores, not hematophagic, can grow to lengths of more than 50 cm, the front is perfectly tubular, but it is getting bigger, wider and flat backward. R. hijau has a front end that ends with a white mouth and has a width equal to the diameter of the front end of the body. The rear end ends with the anus and has a width equal to the diameter of the rear end of the body. The upper surface is whole dark green or leafy green, looks shiny and has no other additional color features. The bottom surface is lighter or brownish green. The skin is wrinkled like tight, elastic joints that make it possible to lengthen the body. Giant green leech moves forward by extending the tip of the front of the body to keep the new location farther away and this movement is then followed by the middle body and gradually the rear where the body moves completely. R. hijau does not suck blo...

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