LEPIDOPTERA

Family Tineidæ

Hyponomeuta evonymella.

Family Noctuidæ

Bryophila, Cucullia formosa, C. scrophulariæ, Habrostola, Cleophana linariæ, Catocala (sp.), Aporia cratægæ, Aplecta nebulosa, Leucania staminea, L. hispanica, L. nonagrioides, Plusia gamma.

Family Notodontidæ

Pheosia rimosa, Schizura concinna, Danima Banksii (Australia), Macrurocampa marthesia, Heterocampa pulverea, Cerura vinula, C. furcula, C. borealis, C. multiscripta.

Family Nymphalidæ

Probably all the species.

c. Prothoracic, dorsal; sending out a V-shaped odoriferous organ (osmeterium).

Family Papilionidæ

All the species as a rule.

d. Thoracic sternal, evaginable glands.

Family Perophoridæ

Lacosoma chirodota, Perophora melsheimerii.

Family Nolidæ

In three, and probably in all the species of Nola.

e. Lateral, abdominal, non-eversible glands, one near each spiracle, emitting a clear fluid.

Family Tenthredinidæ

Cræsus septentrionalis, C. varus, Cimbex americana, C. betulæ, Trichiosoma.

f. Lateral, abdominal, partly eversible glands emitting neither moisture nor odor, but flesh-colored.

Family Tineidæ

Phyllocnistis? (eight pairs.)

Family Hemileucidæ

Hyperchiria io (two pairs, viz. on 1st and 7th segments), H. sp. (Mexico), Hemileuca yavapai, pamina, H. maia, H. artemis, Pseudohazis eglanterina.

g. Lateral, abdominal, permanently everted, metameric glands, not known to secrete a fluid, nor to be odoriferous.

Family Megalopygidæ

Megalopyge crispata.

h. Medio-dorsal, partly eversible glands, emitting a spray of liquid but no odor(?), and colored coral-red or orange-yellow (P. auriflua), but usually in the European species yellowish.

Family Liparidæ

All the species except those of Demas.

i. A single, median, abdominal, dorsal gland, emitting a fluid attractive to ants, on 7th segment; with a pair of minute, index glands on the 8th segment.

Family Lycænidæ

All the species.

j. Protrusile organs near the anus.

Myrmeleon larva (Hagen? Dimmock).

B. Nymph of Heterometabolous Insects

a. Paired, dorsal glands, on abdominal segments 1, 2, and 3.

Cimex lectularius (Künckel).

b. The same on abdominal segment 5.

Lachnus strobi.

C. Pupa of Certain Bombyces

At anterior end of certain pupæ, internal glands to moisten threads of the cocoon for exit of moth.

D. Adult Insects

a. Occurring on the prothorax only; strongly repugnatorial, best developed in ♂.

Anisomorpha buprestoides, Autolyca pallidicornis, Phasma putidum, Phyllium (sp.), Heteropteryx (sp.), Diapheromera femoratum (probably in all the species of the family), Mantis carolina.

b. Occurring on the pro- and mesothorax, and on the middle of the abdomen, orange-yellow, fleshy tubercles or evaginations.

Malachius bipustulatus, Anthocomus equestris, Evæus thoracicus.

c. Segmental, eversible glands, homologues of the coxal glands of other Arthropods, occurring on all, or nearly all, the abdominal segments.

Scolopendrella immaculata (coxal glands on 3d to 11th pair of legs), Campodea staphylinus (a pair of coxal glands on 1st to 8th abdominal segments), Machilis maritima (eversible, coxal glands on segments 1–7).

d. Occurring in the abdomen.

d1. In the two first abdominal segments.

Corydia carunculigera ♂ and ♀.

d2. Alluring (?) organs situated on the dorsal side of the abdomen, in the 6th, or 6th and 7th, abdominal segment.

Periplaneta americana ♂, P. orientalis (nymph), P. decorata ♂ (nymph), Ectoblatta germanica ♂, Ectobia lapponica ♂, Phyllodromia ♂, Aphlebia bivittata ♂, Platyzosteria ingens (on seventh segment).

e. At the end of the body.

Colænis julia ♀ (F. Müller), Heliconius apseudes (F. Müller).