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Monomorium pharaonis, can be found in myriads, and nothing is safe from it.

Pharaoh Ant

Monomorium pharaonis, can be found in myriads, and nothing is safe from it.

Also known as cow killers, are not actually ants but a type of wasp. they get their name from their hair, which ranges from red and black to completely white, or may silvery golden.

Velvet Ant

Also known as cow killers, are not actually ants but a type of wasp. they get their name from their…

Eriosoma Lanigera, or the Wooly Apple-Tree Blight. These insects appropriate for their generic name two Greek words, signifying wool and body, the insect being partially enveloped in a cottony or wool-like secretion, furnished from its own body. The eggs are deposited in crotches or cracks of the branches or bark, often at or near the surface of the ground, or on new shoots springing from the parent tree.

Wooly Aphid

Eriosoma Lanigera, or the Wooly Apple-Tree Blight. These insects appropriate for their generic name…

Eriosoma Imbricata. Found very abundantly on birch in Maryland in October. These insects cluster together on the twigs, and have the appearance of many small spots of snow-like wool or down moving up and down by jerks, the hinder parts of the insect being covered with this downy secretion.

Wooly Aphid

Eriosoma Imbricata. Found very abundantly on birch in Maryland in October. These insects cluster together…

Grain or oat-plant louse, does much injury to grain, and especially to oats, but is also found on wheat, rye, and other cereals.

Aphis Avence

Grain or oat-plant louse, does much injury to grain, and especially to oats, but is also found on wheat,…

Also known as the Cotton-plant louse, is a great nuisance to the planters, especially when the plants are very small, as then they are more liable to succumb to the attacks of these insects, as by sucking out the sap they distort the stems, and in fact frequently kill the plants before they have attained sufficient maturity and strength to withstand their repeated attacks.

Aphis Gossypii

Also known as the Cotton-plant louse, is a great nuisance to the planters, especially when the plants…

The larva of a <em>Coleophora malivorella</em>

Apple Case-Bearer

The larva of a Coleophora malivorella

The pupa of a <em>Coleophora malivorella</em>

Apple Case-Bearer

The pupa of a Coleophora malivorella

<em>Coleophora malivorella</em> or Apple case-bearer adult moth

Apple Case-Bearer

Coleophora malivorella or Apple case-bearer adult moth

Scale-insect, was found on imported lemons in Jacksonville, Fla. This insect is said to be allied to <em>Aspidiotus</em> (<em>Coccus</em>) <em>citricola</em> of Boisduval, which has been very injurious to the orange in the maritime Alps in Northern Italy.

Aspidiotus Citricola

Scale-insect, was found on imported lemons in Jacksonville, Fla. This insect is said to be allied to…

A beetle, <em>Harpalus caliginosus</em>, from the under side, with all the pieces named.

Beetle

A beetle, Harpalus caliginosus, from the under side, with all the pieces named.

Hister Arcuatus, or clown beetle. Small, oval, shining, very hard, black bronzed or greenish beetles, with the wing-covers cut off squarely behind, leaving the last segments of the abdomen exposed.

Hister Beetle

Hister Arcuatus, or clown beetle. Small, oval, shining, very hard, black bronzed or greenish beetles,…

Hister Bimaculatus, or clown beetle. Small, oval, shining, very hard, black bronzed or greenish beetles, with the wing-covers cut off squarely behind, leaving the last segments of the abdomen exposed.

Hister Beetle

Hister Bimaculatus, or clown beetle. Small, oval, shining, very hard, black bronzed or greenish beetles,…

The males have mandibles almost as long as itself, and branched like antlers.

Stag Beetle

The males have mandibles almost as long as itself, and branched like antlers.

Lucanus Dama, the most common stag beetle in which the mandibles of the male are much enlarged and sickle-shaped; whence the common term "pinching-bug"

Stag Beetle

Lucanus Dama, the most common stag beetle in which the mandibles of the male are much enlarged and sickle-shaped;…

When both sides of the joints have these processes the antenna is said to be <em>bipectinated</em>.

Bipectinate Antenna

When both sides of the joints have these processes the antenna is said to be bipectinated.

Distinct by their usually small size, their intense black colors, which occasionally have a bluish greenish tinge, and by their very convex form.

Black Bug

Distinct by their usually small size, their intense black colors, which occasionally have a bluish greenish…

A small homoterous insect, <em>Phylloscelis Atra</em> (var. <em>pallescens</em>) is not uncommon among the brambles and weeds in meadows in Maryland; it is one of a singular round or broad oval shape, being about 0.20 in length by 0.13 in breadth; the fore thigh are much thickened, and the hind tibiae or shanks are quite long and spiney on their outer edges, and are fitted for leaping. The color of this insect is black, having two orange-brown stripes on the thorax, two longitudinal stripes of the same color on the outer wings and on the border of their scutel.

Black Leaf-Leg

A small homoterous insect, Phylloscelis Atra (var. pallescens) is not uncommon among…

A black, very little marked with yellow, and the only satisfactory remedy is cutting out and destroying the larva as soon as its presence is indicated by the wilting leaves.

Blackberry Borer Female

A black, very little marked with yellow, and the only satisfactory remedy is cutting out and destroying…

A black, very little marked with yellow, and the only satisfactory remedy is cutting out and destroying the larva as soon as its presence is indicated by the wilting leaves.

Blackberry Borer Male

A black, very little marked with yellow, and the only satisfactory remedy is cutting out and destroying…

The potato-stalk borer, is a small ash gray weevil about one-sixth of an inch in length, with a black snout and three small black spots at the base of the wing-covers

Potato-Stalk Borer Adult

The potato-stalk borer, is a small ash gray weevil about one-sixth of an inch in length, with a black…

The potato-stalk borer, is a small ash gray weevil about one-sixth of an inch in length, with a black snout and three small black spots at the base of the wing-covers

Potato-Stalk Borer Larva

The potato-stalk borer, is a small ash gray weevil about one-sixth of an inch in length, with a black…

The potato-stalk borer, is a small ash gray weevil about one-sixth of an inch in length, with a black snout and three small black spots at the base of the wing-covers

Potato-Stalk Borer Pupa

The potato-stalk borer, is a small ash gray weevil about one-sixth of an inch in length, with a black…

Bunches of stiff bristly hair.

Bristle-Tufted Antenna

Bunches of stiff bristly hair.

Section through a butterfly tongue.

Butterfly Tongue

Section through a butterfly tongue.

Papilio Asterias, or Papilio Polyxenes. Bright green caterpillar with broken black bands.

Black Swallowtail Butterfly Larva

Papilio Asterias, or Papilio Polyxenes. Bright green caterpillar with broken black bands.

This pupa, or chrysalis, is fastened to a little silken pad by the tail, but is also sustained by a silken band in front of the middle, so that it is said to be girthed.

Black Swallowtail Butterfly Larva

This pupa, or chrysalis, is fastened to a little silken pad by the tail, but is also sustained by a…

Pieris Vapae. An insect imported many years ago from Europe, and which has now spread over the largest part of the United States and Canada.

Cabbage Butterfly

Pieris Vapae. An insect imported many years ago from Europe, and which has now spread over the largest…

Pieris Vapae. An insect imported many years ago from Europe, and which has now spread over the largest part of the United States and Canada.

Cabbage Butterfly

Pieris Vapae. An insect imported many years ago from Europe, and which has now spread over the largest…

Pieris Protodice, a butterfly that becomes more common and assists its imported relative in making havoc among the cabbages, but this also may be easily controlled by the measures above detailed.

Checkered White Butterfly

Pieris Protodice, a butterfly that becomes more common and assists its imported relative in making havoc…

Pieris Protodice, a butterfly that becomes more common and assists its imported relative in making havoc among the cabbages, but this also may be easily controlled by the measures above detailed.

Checkered White Butterfly (Female)

Pieris Protodice, a butterfly that becomes more common and assists its imported relative in making havoc…

Pieris Protodice, a butterfly that becomes more common and assists its imported relative in making havoc among the cabbages, but this also may be easily controlled by the measures above detailed.

Checkered White Butterfly Larva and Chrysalis

Pieris Protodice, a butterfly that becomes more common and assists its imported relative in making havoc…

The side and top view of an egg from the Anisopteryx pometaria.

Canker Worm

The side and top view of an egg from the Anisopteryx pometaria.

The canker worm, which is the larva of the Anisopteryx pometaria

Canker Worm

The canker worm, which is the larva of the Anisopteryx pometaria

The side and top view of the segments of the Canker Worm.

Canker Worm Segments

The side and top view of the segments of the Canker Worm.

A feeler is clubbed, or <em>capitate</em>, when the joints toward or at the tip suddenly or gradually enlarge to form a more or less evident club or bulb, and this type is widely distributed in all the orders, a variety of terms being in use to indicate the particular form of the club.

Capitate Antenna

A feeler is clubbed, or capitate, when the joints toward or at the tip suddenly or gradually…

Platysamia cecropia. The caterpillar occurring on a great variety of plants, including many of our fruit-trees and certain small fruits. Its green, and has six rather prominent warts on the thoracic segments, of which four are coral-red in color and the hinder two are yellow, sometimes with a reddish tinge.

Emporer Moth Caterpillar

Platysamia cecropia. The caterpillar occurring on a great variety of plants, including many of our fruit-trees…

The Caterpillar of a Gypsy Moth eating a leaf.

Gypsy Moth Caterpillar

The Caterpillar of a Gypsy Moth eating a leaf.

The male <em>chironomus</em>

Chironomus

The male chironomus

This species can be heard in summer and autumn at most any time making its peculiar trilling noise in the shade and forest trees.

Cicada Pruinosa

This species can be heard in summer and autumn at most any time making its peculiar trilling noise in…

Also known as the Seventeen-Year Locust, derives its specific name from the fact that it makes its appearance in certain districts at stated intervals of seventeen years in immense numbers, when the millions of them, swarming on the forest and fruit trees, almost deafen the observer with their trilling calls to the female, and form an abundant feast to the swine, fowls, and wild animals on the land, and if near a river or lake, to the fishes in the water.

Cicada Septendecim

Also known as the Seventeen-Year Locust, derives its specific name from the fact that it makes its appearance…

fringed

Ciliated Antenna

fringed

A feeler is clubbed, or <em>clavate</em>, when the joints toward or at the tip suddenly or gradually enlarge to form a more or less evident club or bulb, and this type is widely distributed in all the orders, a variety of terms being in use to indicate the particular form of the club.

Clavate Antenna

A feeler is clubbed, or clavate, when the joints toward or at the tip suddenly or gradually…

The side view of a cotton worm.

Cotton Worms

The side view of a cotton worm.

The top view of a cotton worm

Cotton Worms

The top view of a cotton worm

The crab louse can live in almost any form of human hair, leading to its other common name of pubic louse.

Crab-louse

The crab louse can live in almost any form of human hair, leading to its other common name of pubic…

Are mostly found on the Pacific Coast.

Sand Cricket

Are mostly found on the Pacific Coast.

The larva of the Culex pungens

Culex pungens

The larva of the Culex pungens

Mud Daubers plaster their nests against out-houses, in all sorts of corners and under all sorts of shelters

Mud Dauber

Mud Daubers plaster their nests against out-houses, in all sorts of corners and under all sorts of shelters

A moth that flies rather heavily and clumsily during the middle of the day in bright sunlight.

Euchromia Ipomaeae

A moth that flies rather heavily and clumsily during the middle of the day in bright sunlight.

Hyphantria cunea larva

Fall Webworm

Hyphantria cunea larva

Hyphantria cunea larva

Fall Webworm

Hyphantria cunea larva

Hyphantria cunea white form moth

Fall Webworm

Hyphantria cunea white form moth

<em>Hyphantria cunea</em>: variations in the markings of the wings.

Fall Webworm Wings

Hyphantria cunea: variations in the markings of the wings.

Thread like antenna when the joints are nearly even throughout, cylindrical, tolerably equal in length, and similar in general appearance.

Filiform antenna

Thread like antenna when the joints are nearly even throughout, cylindrical, tolerably equal in length,…

<em>Sarcopsylla penetrans</em>-Female distended with eggs

Jigger flea

Sarcopsylla penetrans-Female distended with eggs

The Mediterranean flour-moth, Ephestia kuhniella species; structural detail.

Flour-moth

The Mediterranean flour-moth, Ephestia kuhniella species; structural detail.

The Mediterranean flour-moth, Ephestia kuhniella species; structural detail.

Flour-moth

The Mediterranean flour-moth, Ephestia kuhniella species; structural detail.

The Mediterranean flour-moth, Ephestia kuhniella species; structural detail.

Flour-moth

The Mediterranean flour-moth, Ephestia kuhniella species; structural detail.

Piophila casei. Similar to the house-fly in appearance, but much smaller, and the only way to protect provisions is to keep them constantly covered

Cheese Fly

Piophila casei. Similar to the house-fly in appearance, but much smaller, and the only way to protect…