Numerous species of aphids, or plant lice, are known, and they are among the greatest pests of the gardener…
auditory organ of a mollusk. a, auditory nerve; b, outer wall of connective tissue; c, cells with auditory…
Beetles have two pair of wings with the first pair being hard and horny, (Wood, 1896). (Wood, 1896).
Beetles form a large group of insects that number over 300,000 species. They all have hard wings which…
Beetles form a large group of insects that number over 300,000 species. They all have hard wings which…
Beetles form a large group of insects that number over 300,000 species. They all have hard wings which…
The Hickory tree-borer is among many beetles whose larvae bore into trees, where they do great damage.…
The Hickory tree-borer is among many beetles whose larvae bore into trees, where they do great damage.…
The Hickory tree-borer is among many beetles whose larvae bore into trees, where they do great damage.
Butterflies may usually be distinguished by the vertical position of their wings when they are at rest,…
The cabbage butterfly is one of the easiest of the butterflies to capture and rear, (Colton, 1903) This…
The cabbage butterfly is one of the easiest of the butterflies to capture and rear, (Colton, 1903) This…
The cabbage butterfly is one of the easiest of the butterflies to capture and rear, (Colton, 1903) This…
The larva of the monarch. This common butterfly is of a brown color, with black veins and wing borders.
A hanging larva of the monarch. This common butterfly is of a brown color, with black veins and wing…
A hanging larva of the monarch. This common butterfly is of a brown color, with black veins and wing…
A hanging larva of the monarch. This common butterfly is of a brown color, with black veins and wing…
A pupa of the monarch. This common butterfly is of a brown color, with black veins and wing borders.