A. lachesis has dorsal dominance in brown with black, yellow, silver and red. Ventral is yellow with brown and black. Black eyes 0.2-0.3 cm, proboscis 2.0-2.1 cm. Thorax by yellow and black with stripes on the prothorax 0.8 cm-1.2 cm, mesothorax 0.5 cm and metathorax 0.4 cm-0.5 cm.
The stomach is dominated by black with a yellow ribbon 2.5-2.8 cm. The wings are black with yellow and white lines in the diskal space. The legs are black with yellow. The amount and availability of food and water that affect moth growth as a cause of variation in size.
Eggs are placed on various plants. Adult larvae can reach a length of 12.5 cm. The caterpillar as a whole has a visual effect created by many brown dots that are close together and each surrounded by white rings.
Anterior has a dark brown mid-dorsal band and is clearly seen in the thoracic segment. This brown ribbon is flanked by white ribbons on both sides. The head displays symmetrical black stripes depicting the beige and brown sectors. The stomach is wrapped in brown and black.
The posterior caudal horn shows a characteristic sinusoidal curve and thorny tubercle. Most are dark brown for three quarters of the entire length, fused to turn pale at the back. Anal proxy inside, blackish brown and well-defined from the whitish margin of the supra-anal flap.
The caterpillar will throw the head and anterior segment from side to side and make a quick repetitive click produced by the lower jaw when disturbed. The larvae push their heads to the ground and bury themselves to create an ovoid space about 15 cm below the surface where skin is released.
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Subclass: Pterygota
Order: Lepidoptera
Superfamily: Bombycoidea
Family: Sphingidae
Subfamily: Sphinginae
Tribe: Acherontiini
Genus: Acherontia
Species: Acherontia lachesis
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