anal horn造句

• They have a peculiar cobra-like thorax and a long anal horn.
• They have a well-developed anal horn in the first instar, becoming less prominent as the larvae develop.
• They are green with reddish orange spiracles and a longitudinal, dotted black line down the back and an orange, thick anal horn.
• First instar larvae ( caterpillar phases ) are green with dark brown to black heads, legs, lateral spiracles, thoracic shields, and blunt anal horns.
• Fourth and fifth instar larvae ( i . e . caterpillars that have shed their skin 3 or 4 times ) have red to dark red heads, with green and rust red bodies accented with black areas around spiracles, anal shield and anal horn.