Skip to main content

Walang batik (Valanga nigricornis insularis)

Walang batik or batik valanga (Valanga nigricornis insularis) is a grasshopper subspecies in Acrididae, living arborial in bushes and trees in open habitats, very large sexual dimorphism with 45-55 mm long males and 15-75 mm females, pale green nymphs with markings dark sign.

V. nigricornis insularis live in large groups to colonize the area, adult females are yellowish brown, yellowish or green with bluish-black markings and the hind wings will look rose red when flying.

Dlium Walang batik (Valanga nigricornis insularis)

Males have black fake wings, black-brown heads, black eyes, black antennae, chest and abdomen yellow with black features, reddish-brown legs with black features, brown underside, brown upper legs and black underside.

Walang batik has one generation every year with four eggs laid on moist soil in the clearing of the forest. The eggs will remain inactive throughout the dry season and take 6-8 months to hatch before the rainy season.

The hatching eggs produce nymphs for 6-7 instar stages before becoming adults which are usually in January-February. Nymphs and adults are diurnal and like to bask in the sun to eat leaves.



Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Subclass: Pterygota
Order: Orthoptera
Suborder: Caelifera
Infraorder: Acrididea
Superfamily: Acridoidea
Family: Acrididae
Subfamily: Cyrtacanthacridinae
Tribe: Cyrtacanthacridini
Genus: Valanga
Species: Valanga nigricornis
Subspecies: Valanga nigricornis ssp. insularis

Popular Posts

Lolot (Piper sarmentosum)

Lolot pepper ( Piper sarmentosum ) is a species of plant in Piperaceae, perennial herb, erect or lodging, creeping rhizome, up to 120 cm long, branched, enlarged branches, cylindrical stems, brown or green, often grooved, growing on the forest floor and shade. P. sarmentosum has leaf stalks up to 15 cm long, up to 13 cm wide, green, alternately arranged, heart-shaped, pointed tips and flat margins. The leaves have 5 main veins from the base of the blade, linear and slightly curved to the tip, glands on the upper surface and many fine pinnate veins. The upper side is shiny green, the lower side is pale green. The flowers are white. The fruit grows in the upper armpit of the leaf, is slightly oval and green. The leaves are used as a medicine for asthma, malaria, stomach ache, tinea versicolor, toothache, difficulty urinating, aches and pains, maintaining stamina, antibacterial, antimicrobial, antioxidant, and so on. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiosperma...

East Indian globe thistle (Sphaeranthus indicus)

Gorakhmundi or gorakh mundi or mundi buti ka phool or mundi booti ka phool or sembung delan or East Indian globe thistle ( Sphaeranthus indicus ) is a species of plant in Asteroideae, a perennial, multi-branched, strong fragrance with erect stems, winged and toothed wings, growing wild in rice fields forming colonies, dense open rugs in the tropics. S. indicus has alternating sitting leaves, oval, narrow at the base, toothed and serrated, 1-3 cm long and green. Leaves 2-7 cm long, 1-3 wide, broad and deep wings, continuing into a large bone in the center of the leaf to a sharp tip and several lateral veins. The flower is round, grows at the tip, has a large and long stalk, is purple in color, 8-15 mm in size, consists of many tiny flowers, green or red or purple and has pale purple stamens. Head ovate-ellipsoid and 12-15 mm long. Phyllaries are white and have purple crest. Female flowers have a corolla tube 2-2.5 mm long. The bisexual flowers are 2.3-3 mm long and the hardened pa...

Sausage tree (Kigelia africana)

Sausage Tree ( Kigelia africana ) is a species of tree in the Bignoniaceae family, growing up to 24 meters tall with low, spreading branches. The bark is dark gray to light brown, up to 6 mm thick, scaly, creamy white underside, and the branches are marked with lenticels. The wood is light brown or yellowish. This tree grows at elevations of 0-3000 meters. The leaves are arranged alternately along the stem and are divided into several pairs of minor leaflets and a single minor leaflet at the tip. Each leaflet is up to 50 cm long and has 3-6 pairs of opposite minor leaflets. The minor leaflets are oval to narrow and pointed, 7-20 cm long and 4-12 cm wide. The margins are smooth, sometimes slightly serrated. The upper side is glossy green, the underside pale green, smooth or finely hairy. The central vein is sunken on the upper side, with 7-12 pairs of prominent lateral veins visible below. The inflorescences hang from flexible branches up to 7.5 meters long. The flowers are bell-shap...