The pear-psylla, pupa from under side showing the thread0like piercing lancets.
The pear-psylla, winged adult and stalked egg.
Buffalo tree-hopper, Ceresa bubalus- tarsus.
Buffalo tree-hopper, Ceresa bubalus- antenna.
Buffalo tree-hopper, Ceresa bubalus- wing.
Buffalo tree-hopper, Ceresa bubalus- mouth
Buffalo tree-hopper, Ceresa bubalus- tip of abdomen
Buffalo tree-hopper, Ceresa bubalus- tip of abdomen, showing ovipositor.
Buffalo tree-hopper, Ceresa bubalus- tip of abdomen, mouth
Buffalo tree-hopper, Ceresa bubalus- tip of abdomen, tip of abdomen
a, Ceresa bubalus, ovipositing in slits; b, the eggs; d, arranged as at c, old, scarred punctures shown…
The dog-day harvest-fly, Cicada tibicen.
The periodical cicada, pupa.
The periodical cicada, pupa-skin from which the adult has emerged.
The periodical cicada, the adult.
The periodical cicada, egg punctures.
The periodical cicada, eggs taken from the egg punctures.
Cicada egg punctures, freshly made.
Cicada egg punctures, old and distended.
Cicada egg punctures, from outside.
Cicada egg punctures, cut down on puncture to show the two chambers.
Cicada egg punctures, side view of an egg-chamber.
Cicada egg punctures, a pair of egg-chambers from which the eggs have been removed.
Development of a Jassid, Agallia sanguinolenta species; the larva.
Development of a Jassid, Agallia sanguinolenta species; the pupa.
Development of a Jassid, Agallia sanguinolenta species; adult.
Development of a Jassid, Agallia sanguinolenta species; head of larva.
A water-boatman, Notenecta species.
A Belostama Americana insect.
A water-strider, Rheumatobates rileyi, female.
A water-strider, Rheumatobates rileyi, female; ovipositor.
A water-strider, Rheumatobates rileyi, female; hind tarsus.
A stage of the wheel-bug, Prionidus cristatus species.
A stage of the wheel-bug, Prionidus cristatus species.
A stage of the wheel-bug, Prionidus cristatus species.
A stage of the wheel-bug, Prionidus cristatus species.
The Chinch-bug, Blissus leucopterus species; egg.
The Chinch-bug, Blissus leucopterus species; newly-hatched larva.
The Chinch-bug, Blissus leucopterus species; larva.
The Chinch-bug, Blissus leucopterus species; larva.