Sacculina is a genus of barnacles that parasitize crabs. The female Sacculina larva finds a crab and…
Sacculina is a genus of barnacles that parasitize crabs. The female Sacculina larva finds a crab and…
The Blackberry Psyllid (Trioza tripunctata) is an insect that feeds on specific plants.
"About a foot long, and is provided with a pwerful sucker on the top of its head, by which it attackes…
A parasite which feeds as larvae in rose-twigs or upon the leaves. Some species are confined to roses…
Scelio is a genus of parasitic insects of the Proctotrypidae family. "Scelio famelicus. a, female; b,…
An illustration of the median longitudinal section through anterior end of the sea lamprey. "a.v.o,…
"Resplendent Shield-bearer (Coptodisca splendoriferella). a, leaf of apple showing work; b, summer larva;…
"Trichina Spiralis is the name given to a peculiar nematoid worm which inhabits the muscles, usually…
"Trichina Spiralis is the name given to a peculiar nematoid worm which inhabits the muscles, usually…
"1. Trypanosoma gambiense, showing nucleus, blepharoplast, and flagellum. 2 and 3. Individuals undergoing…
The cocoon of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects…
The larva of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects as…
The pupa of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects as…
The female adult of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects…
The male adult of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects…
Eupelmus floridanus is a species of Chalcid wasp, a parasitic insect in the Eupelmidae family.
The Ichneumon wasp is a parasitoids, where the larvae feed on another insect until it dies.
Encyrtus cecidomyiae is a species of wasp in the Encyrtidae family of parasitic wasps.
Illustrated is the base of a young white pine tree attacked by Armillaria mellea. The mushroom Armillaria…