Sweetpotato bug (Physomerus grossipes)

Kutu ketela or sweetpotato bug (Physomerus grossipes) is an insect species in Coreidae, brown with black legs, adults growing about 2 cm long, oval shaped, segmented antennas, heavily veined membranes, metathoracic odor glands and enlarged rear tibia.

P. grossipes generally live in Leguminosae and Convolvulaceae especially sweet potato (Physomerus grossipes), pink morning glory (Ipomoea carnea), purple beans (Vigna unguiculata), Asian pigeonwings (Clitoria ternatea) and common bean (Phaseolus vulgaris).

Sweetpotato bugs suck liquid from the stem which causes plants to wither and disrupt fruit production. P. grossipes places eggs at the bottom of the leaves or stems or grass around them. Females are very protective of their children, keeping eggs and nymphs from predators as the most famous example of maternal care in Coreidae.

Even so, about 20% of eggs are eaten by predators such as ants and 13% are lost by parasitoid predation by chalcid wasps which lay eggs in eggs of P. grossipes. The surviving eggs will hatch in about 15 days. Sweetpotato bugs pass five nymph stages starting from 85-88 days before adulthood.

Mothers continue to care for gregarious nymphs and feed them food that suggests social dimensions. Some mothers working together to care for their children or unmarried females will help raise a child who is not his.

Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hemiptera
Family: Coreidae
Subfamily: Coreinae
Genus: Physomerus
Species: P. grossipes

Cockspur coral tree (Erythrina crista-galli)

Velvet coral tree or cockspur coral tree ( Erythrina crista-galli ) is a species of plant in the Fabaceae family. It is a small tree, 5-8 meters tall, with a trunk circumference of about 50 cm, irregular branches, light wood, and fissured, soft, and light brown bark. The taproot is white. The leaves are ovate, with three strands, dark green and glossy on the upper surface, and pale green on the underside. The central lobe is up to 17 cm long and up to 11 cm wide. The left and right lobes are up to 15 cm long and up to 10 cm wide. The flowers are red, arranged in racemes, at the apex, pentameric, complete, and bilaterally symmetrical. The flowers are up to 6 cm long and 4 cm wide. The pods are long, containing about 8 seeds, green when young and turning brown as they mature. The seeds are ovate, flat, and brown. It grows well in lowlands up to an elevation of 1,500 meters, with an annual rainfall of 800-1,500 mm/year, and a temperature of 20-32°C. It thrives in well-drained soils, but...

Porang (Amorphophallus muelleri)

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