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The caterpillars have a red/purple stripe across the back and a black head. They reach a length of 9–10 cm. The caterpillars feed in the trunks and branches of a wide variety of trees (see list below), taking three to five years to mature. The caterpillar holes can be found low on the stem (maximum 1.0–1.5 m above the ground).
The full-grown caterpillar is 38–44 mm long. It is hairy with four white or brown dorsal tussocks. It is greyish brown with a crimson-reddish head, legs and prolegs. Head with red stripes found on full-grown caterpillar. Pupation occurs inside a silk cocoon spun between the leaves of the food plant. [5]
Metanastria hyrtaca, called the hairy caterpillar as a larva, is a moth of the family Lasiocampidae first described by Pieter Cramer in 1782. [1] It is found in Sri Lanka . [ 2 ]
The caterpillar has a black head, tufts of black hairs behind this, and similar tufts of yellow hairs on the remaining portion. The adult wingspan is about 23 mm (0.9 in). The wings are a pale brown colour with a pattern of small black specks, and the abdomen is red. [4] Bihar hairy caterpillar Jute hairy caterpillar in Rajbari
The black hindwing has a broad pink median band. It has a wingspan of 2 to 3 inches. This moth is large and has a stout furry body. The dorsal hind region is crossed by six distinct white stripes and similar striping patterns on the wings. The hindwings are black with a thick, red-pink stripe in the middle. [7]
The larvae are distinctly hairy with rows of orange tufts of long hair along the sides of the body. Arranged at the head are three large coppery tufts and two smaller purple tufts. Along the dorsal side of the caterpillars is a row of black triangles flanked either side by white. [1] [3]
The chemicals are also carried on into the adult stages. These toxic species, such as the cinnabar moth (Tyria jacobaeae) and monarch (Danaus plexippus) caterpillars, usually advertise themselves with the danger colors of red, yellow and black, often in bright stripes (see aposematism). Any predator that attempts to eat a caterpillar with an ...
The larva is a caterpillar which may exceed 15 centimeters in length. It is black with aposematic yellow bands and a red-orange head. Toward the posterior end is an orange bump with a black horn roughly 2 centimeters long. The legs are orange with black spots. The pupa is about 7 centimeters long. It is yellow when new, turning brown and ...