The Chocolate Demon

Ancistroides nigrita reproduce by laying eggs (oviparous), the eggs are laid individually under the surface of the leaves or stems of the host plant. The dome-shaped egg is milky white with very fine longitudinal lines. Egg diameter is about 1.25 mm.

Life cycle (Metamorfosis) : Ancistroides nigrita eggs hatch in 4-5 days, the newly hatched caterpillars have a body length of about 3.2 mm, black capsule head, whitish body, long setae at the posterior end. The body color changes to green undertone after eating the first leaves, the final length of the body at the 1st instar is 6.5 mm in 5 days. On the 2nd instar the caterpillar is yellowish green, the head capsule is black with setae at the posterior end. These instars last for 4 days with a body length of 10.5-11.5 mm. The 3rd instar caterpillar does not have much difference from the previous instar, its body length is about 17.5-21 mm in 4 days. Furthermore, the caterpillar appears to have many small green circular spots on the surface of its body, the 4th instar is completed within 5 days with a body length of 28-31 mm. In the 5th instar, the body color is more striking, the head capsule is dark brown to black, body length is 48-51 mm in 6-7 days. The 5th instar is the last instar where the caterpillar’s body will shorten and turn pale green and prepare to pupate. The caterpillar twists its body with silk ribbons and a white waxy substance is secreted and spread around it. The pupal process occurs 1.5 days later, the caterpillar is yellowish green, has a long and slender cylindrical shape with a length of about 37-39 mm or 60-62 mm if the proboscis tube is included in the measurement. After 8 days the pupa turns black on the thorax and wing pads, after that it becomes transparent which indicates the pupa process has been completed.

Reproduction session : –

Incubation periods: 4 – 5 days

Independent age : at birth

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