How to Know the Butterflies

The Cornell classic that taught America to name what it saw: every eastern butterfly described from life, with its caterpillar, its food-plants, its habits — and how to pronounce its Latin.

The Pierids

26 butterflies in this part of How to Know the Butterflies.

The Whites (AA Vein M of the front wings)

AA. Vein M2 of the front wings arising from the cross-vein at the end of cell R+ M, the apex of this cell not cut off obliquely by it (Fig…

The Whites (More common representatives)

The more common representatives of this group are the well-known cabbage-butterflies; in fact, all of the species that occur in the eastern…

The Great Southern White (AA Smaller species expanding)

AA. Smaller species, expanding about two inches or less. B. With a black bar at the end of cell R + M. (P. protodice), p. 73.

The Checkered White (BB With no black bar)

BB. With no black bar at the end of cell R+M.

The Gray-Veined White (CC Lower side of fore wings)

CC. Lower side of fore wings with a dark spot in cells M. and Cu,; upper side of hind wings with a spot in cell R₅. (P. rapæ), p. 78. 3

The Great Southern White (Pontia monuste Pon'ti-a)

Pontia monuste (Pon'ti-a mo-nus'te) PLATE XIII, FIG. I This species is the largest of our Eastern pierids, expanding from two to three…

The Checkered White (Pontia protodice Pon'ti-a)

Pontia protodice (Pon'ti-a pro-tod'i-ce) PLATE XIII, FIG. 2-6, AND 9 There are two forms of this species, which are designated as Pontia…

The Gray-Veined White (Pieris napi Pi'e-ris na'pi)

Pieris napi (Pi'e-ris na'pi) PLATE XIV, FIG. 6-9 3 In the most common form the wings are white above and below, with a scarcely perceptible…

The Cabbage Butterfly

Pieris rapæ (Pi'e-ris rapæ) PLATE XIV, FIG. 1-5 PLATE III Several varieties of this species are known, among which are the following: (1)…

The Orange-Tips (These like the butterflies)

These, like the butterflies comprising the preceding group, are white, marked with black. Their most characteristic feature is the presence…

The Falcate Orange-Tip

Synchloe genutia (Syn'chlo-e ge-nu'ti-a) PLATE XV, FIG. I, 2 In this species the apex of the fore wings is hooked, reminding one of the…

The Olympia Orange-Tip

Synchloe olympia (Syn'chlo-e o-lym'pi-a) FIG. 29; PLATE XIII, FIG. 7, 8 In this species the orange patch is wanting in both sexes. There is…

The Yellows

The yellows are easily recognized by their bright yellow colors, although in some species whitish forms occur. They abound almost…

The Sleepy

YELLOW.

The Orange Sulphur

SULPHUR.

The Dainty Sulphur (Nathalis iole Na-tha'lis)

Nathalis iole (Na-tha'lis i'o-le) PLATE XV, FIG. 4, 6 This little butterfly can be distinguished from all others described here by its…

The Red-Barred Sulphur (Callidryas philea)

Callidryas philea (Cal-lid'ry-as phil'e-a) PLATE XVI, FIG. I This is the largest of all the yellows found in the eastern United States, the…

The Cloudless Sulphur (Callidryas eubule)

Callidryas eubule (Cal-lid'ry-as eu-bu'le) PLATE XVI, FIG. 3, 4 This large butterfly expands two and one-half inches. The wings above are…

The Large Orange-Sulphur

Phœbis agarithe (Phœ'bis a-gar'i-the) PLATE XVI, FIG. 2 This differs from the two preceding species, which it resembles in size, in that…

The Dog's-Head

Zerene cæsonia (Ze-re'ne cæ-so'ni-a) PLATE XVII, FIG. 5, 6 The wings are lemon-yellow above, bordered on the outer margin with black. On…

The Roadside Butterfly or the Clouded Sulphur

Eurymus philodice (Eu'ry-mus phi-lod'i-ce) PLATE XVII, FIG. 1-3 The wings above are rather pale greenish yellow, with the outer borders…

The Pierids

pand from one and three-fourths inches to two and one-half inches.

The Orange Sulphur (Eurymus eurytheme Eu'ry-mus)

Eurymus eurytheme (Eu'ry-mus eu-ryth'e-me) PLATE XVII, FIG. 4 This species closely resembles philodice in size, shape, and markings. The…

The Sleepy Yellow

Eurema nicippe (Eu-re'ma ni-cip'pe) PLATE XV, FIG. 3, 5 The wings above are bright orange, marked with blackish brown as follows: on the…

The Little Sulphur (Eurema euterpe Eu-re'ma)

Eurema euterpe (Eu-re'ma eu-ter'pe) PLATE XV, FIG. 7, 8, 9, 10 Although this species is larger than the dainty sulphur, it is considerably…

The Nymphs (Family Nymphalid Nym-phal'i-d)

Family Nymphalidæ (Nym-phal'i-dæ) The family Nymphalidæ, or Nymphs, includes chiefly but terflies of medium or large size; but a few of the…

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