ClipArt ETC
Tarsus of the Thrips Tritici.

Thrips Tritici

Tarsus of the Thrips Tritici.

A hog-louse of the Hermatopinus urius species.

Hog Louse

A hog-louse of the Hermatopinus urius species.

A detailed view of the back of the hog-louse of the Hermatopinus urius species.

Hog Louse

A detailed view of the back of the hog-louse of the Hermatopinus urius species.

A detailed view of the scansorial claw of the hog-louse of the Hermatopinus urius species.

Hog Louse

A detailed view of the scansorial claw of the hog-louse of the Hermatopinus urius species.

Cochineal, Coccus Cacti, on a cactus.

Cochineal

Cochineal, Coccus Cacti, on a cactus.

An adult male bug.

Cochineal

An adult male bug.

An adult female bug, with cottony masses removed.

Cochineal

An adult female bug, with cottony masses removed.

A mealy bug of the Dactylopius destructor species.

Mealy Bug

A mealy bug of the Dactylopius destructor species.

The larva of a mealy bug of the Dactylopius longifilis species.

Mealy Bug

The larva of a mealy bug of the Dactylopius longifilis species.

The winged male mealy bug of the Dactylopius longifilis species.

Mealy Bug

The winged male mealy bug of the Dactylopius longifilis species.

The male Icerya Purchasi

Cottony Cushion Scale

The male Icerya Purchasi

An antennal joint of the Icerya Purchasi.

Cottony Cushion Scale

An antennal joint of the Icerya Purchasi.

Tarsus of the Icerya Purchasi.

Cottony Cushion Scale

Tarsus of the Icerya Purchasi.

Rudiment of secondaries hooked to base of primaries of the Icerya Purchasi.

Cottony Cushion Scale

Rudiment of secondaries hooked to base of primaries of the Icerya Purchasi.

A female Icerya Purchasi.

Cottony Cushion Scale

A female Icerya Purchasi.

Cottony maple scale, Pulminaria innumerabilis, showing, at a, the female on a leaf and, at b, same on a twig.

Maple Scale

Cottony maple scale, Pulminaria innumerabilis, showing, at a, the female on a leaf and, at b, same on…

Lecanium Hemisphericum on orange-leaves; a, female scale.

Lecanium Hemisphericum

Lecanium Hemisphericum on orange-leaves; a, female scale.

Oyster-shell scale, Mytilaspis Pomorum species; a female scale, from beneath, feilled with eggs.

Oyster-shell Scale

Oyster-shell scale, Mytilaspis Pomorum species; a female scale, from beneath, feilled with eggs.

Oyster-shell scale, Mytilaspis Pomorum species; a female scale, from above, filled with eggs.

Oyster-shell Scale

Oyster-shell scale, Mytilaspis Pomorum species; a female scale, from above, filled with eggs.

Oyster-shell scale, Mytilaspis Pomorum species; a twig infested by female scales.

Oyster-shell Scale

Oyster-shell scale, Mytilaspis Pomorum species; a twig infested by female scales.

Oyster-shell scale, Mytilaspis Pomorum species; a male scale and a twig infested therewith.

Oyster-shell Scale

Oyster-shell scale, Mytilaspis Pomorum species; a male scale and a twig infested therewith.

Mytilaspis Pomorum- the male.

Oystershell Scale

Mytilaspis Pomorum- the male.

Mytilaspis Pomorum, its tarsus.

Oystershell Scale

Mytilaspis Pomorum, its tarsus.

Mytilaspis Pomorum, young larva.

Oystershell Scale

Mytilaspis Pomorum, young larva.

Mytilaspis Pomorum, its antenna.

Oystershell Scale

Mytilaspis Pomorum, its antenna.

Mytilaspis Pomorum, the female.

Oystershell Scale

Mytilaspis Pomorum, the female.

The San Jose scale winged male.

San Jose Scale

The San Jose scale winged male.

The San Jose scale, young larva just hatched.

San Jose Scale

The San Jose scale, young larva just hatched.

The San Jose scale, antenna.

San Jose Scale

The San Jose scale, antenna.

The San Jose scale, female showing the forming young through the body wall.

San Jose Scale

The San Jose scale, female showing the forming young through the body wall.

The San Jose scale, outline of anal plate of female.

San Jose Scale

The San Jose scale, outline of anal plate of female.

The scurfy scale, Chinaspis furfurus- a twig infested by female scales.

Scurfy Scale

The scurfy scale, Chinaspis furfurus- a twig infested by female scales.

The scurfy scale, Chinaspis furfurus- male scales.

Scurfy Scale

The scurfy scale, Chinaspis furfurus- male scales.

The scurfy scale, Chinaspis furfurus- female.

Scurfy Scale

The scurfy scale, Chinaspis furfurus- female.

The scurfy scale, Chinaspis furfurus- male scale

Scurfy Scale

The scurfy scale, Chinaspis furfurus- male scale

Aleyrodes Citri, male from side showing waxy tufts.

White Fly

Aleyrodes Citri, male from side showing waxy tufts.

Aleyrodes Citri, adult female.

White Fly

Aleyrodes Citri, adult female.

Aleyrodes Citri, her ovipositor.

White Fly

Aleyrodes Citri, her ovipositor.

Aleyrodes Citri, the head from the side.

White Fly

Aleyrodes Citri, the head from the side.

Aleyrodes Citri, antenna

White Fly

Aleyrodes Citri, antenna

Aleyrodes Citri, costal border of wing.

White Fly

Aleyrodes Citri, costal border of wing.

Aleyrodes Citri, hind tarsus.

White Fly

Aleyrodes Citri, hind tarsus.

Aleyrodes Citri, hind tibia.

White Fly

Aleyrodes Citri, hind tibia.

The male hop-louse.

Hop Louse

The male hop-louse.

Phylloxera Vastatrix- a, an unaffected rootlet of grape; b, rootlets with newly-formed galls; c, same, with old and dried-up tissue; dd, groups of the lice on roots and rootlets.

Phylloxera Vastatr

Phylloxera Vastatrix- a, an unaffected rootlet of grape; b, rootlets with newly-formed galls; c, same,…

Phylloxera Vastatrix, female pupa from above.

Grape-Root Louse

Phylloxera Vastatrix, female pupa from above.

Phylloxera Vastatrix, female pupa from below.

Grape-Root Louse

Phylloxera Vastatrix, female pupa from below.

Phylloxera Vastatrix, winged female from above.

Grape-Root Louse

Phylloxera Vastatrix, winged female from above.

Phylloxera Vastatrix, winged female from below.

Grape-Root Louse

Phylloxera Vastatrix, winged female from below.

Phylloxera Vastatrix, an antenna.

Grape-Root Louse

Phylloxera Vastatrix, an antenna.

Phylloxera Vastatrix, oviparous wingless female and her eggs.

Grape-Root Louse

Phylloxera Vastatrix, oviparous wingless female and her eggs.

Phylloxera Vastatrix, root showing location of the eggs.

Phylloxera Vastatr

Phylloxera Vastatrix, root showing location of the eggs.

Galls of Phylloxera on grape-leaf.

Phylloxera Galls

Galls of Phylloxera on grape-leaf.

Cock's-comb gall on elm, Colopha ulmicola- an elm-leaf showing galls.

Coxcomb

Cock's-comb gall on elm, Colopha ulmicola- an elm-leaf showing galls.

Cock's-comb gall on elm, Colopha ulmicola- winter egg covered by the skin of the true female.

Coxcomb

Cock's-comb gall on elm, Colopha ulmicola- winter egg covered by the skin of the true female.

Cock's-comb gall on elm, Colopha ulmicola- larva just hatched.

Coxcomb

Cock's-comb gall on elm, Colopha ulmicola- larva just hatched.

Cock's-comb gall on elm, Colopha ulmicola- pupa.

Coxcomb

Cock's-comb gall on elm, Colopha ulmicola- pupa.

Cock's-comb gall on elm, Colopha ulmicola- winged ault.

Coxcomb

Cock's-comb gall on elm, Colopha ulmicola- winged ault.

Woolly apple-louse, Schizoneura lanigera: showing a group of specimens on bark.

Apple Louse

Woolly apple-louse, Schizoneura lanigera: showing a group of specimens on bark.

Woolly apple-louse, Schizoneura lanigera: a crevice on a branch where they congregate.

Apple Louse

Woolly apple-louse, Schizoneura lanigera: a crevice on a branch where they congregate.