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Monday, 30 October 2023

30-10-2023 ADOR CAMPO, VALENCIA - MEDITERRANEAN BROCADE MOTH CATERPILLAR (Spodoptera littoralis)


Larvae body length ranges from 40 to 45 mm. The larvae is usually hairless and varies in color. It has been noted that new born larvae has grayish or dark-green body color whereas the developed larvae has brownish or yellowish body color. Dark and light longitudinal bands along with two dark semi-circular spots on the back are noted characteristics of the larvae. The newly hatched larvae up to third-instar mainly feed on the lower side of the leaves but the later instar larvae feed on both sides. S. littoralis larvae in general are known to feed in the dark. It also has been observed that larvae up to their third and fourth-instar usually remain in their host plant but fifth and sixth-instar larvae leave the host plant during the day and climb back up at night.

The pupa is around 20 mm long and cylindrical in shape. Initially, the pupa is green colored with reddish abdomen but it turns reddish-brown within few hours. Pupation usually occurs 3–5 cm deep in the solid ground under soil. The duration of pupation is around 5–6 hours

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