Packard, in his "Guide to the Study of Insects", offers in substance this much help upon the subject: "The genus is beautiful, the species numerous, of large size, often three-inch expansion, and in repose form a flat roof. The larva is elongate, slender, flattened beneath and spotted with black, attenuated at each end, with fleshy filaments on the sides above the legs, while the head is flattened and rather forked above. It feeds on trees and rests attached to the trunks. The pupa is covered with a bluish efflorescence, enclosed in a slight cocoon of silk, spun amongst leaves or bark."
This will tend to bear out my contention that scientific works are not the help they should be to the Nature Lover. Heaven save me from starting to locate Catocala moths, eggs, caterpillars or pupae on the strength of this information. I might find moths by accident; nothing on the subject of eggs; neither colour of body, characteristics nor food, to help identify caterpillars; for the statement, 'it feeds on trees,' cannot be considered exactly illuminating when we remember the world full of trees on which caterpillars are feeding; and should one search for cocoon encased pupae among the leaves and bark of tree-tops or earth?
The most reliable information I have had, concerning these moths of which I know least, comes from Professor Rowley. He is the only lepidopterist of four to whom I applied, who could tell me any of the things I am interested in knowing. He writes in substance: "The Bride and Sweetheart are common northern species, as are most of the other members of the group. The Amatrix, with its red wings, is called the Sweetheart because amor means love, and red is love's own colour. The caterpillar feeds on willow. The Catocala of the yellow "after-wings" is commonly called the Bride, because Neogama, its scientific name, means recently wedded. Its caterpillar feeds on walnut leaves.
"If you will examine the under side of the body of a Catocala moth you will find near the junction of the thorax and abdomen on either side, large open organs reminding one of the ears of a grasshopper, which are on the sides of the first abdominal segment. Examine the bodies of Sphinges and other moths for these same openings. They appear to be ears. Catocala moths feed on juices, and live most of the summer season. Numbers of them have been found sipping sap at a tree freshly cut and you know we take them at night with bait.
"New Orleans sugar and cider or sugar and stale beer are the usual baits. This 'concoction'is put on the bodies of trees with a brush, between eight and ten o'clock at night. During good Catocala years, great numbers of these moths may be taken as they feed at the sweet syrup. So it is proved that their food is sap, honeydew, and other sugary liquids. Mr. George Dodge assures me that he has taken Catocala abbreviatella at milk-weed blooms about eight o'clock of early July evenings. Other species also feed on flowers."
You will observe that in his remarks about the "open organs on the side of the abdominal segment," Professor Rowley may have settled the 'ear' question. I am going to keep sharp watch for these organs, hereafter. I am led to wonder if one could close them in some way and detect any difference in the moth's sense of hearing after having done so.
All of us are enthusiasts about these moths with their modest fore-wings and the gaudy brilliance of the wonderful 'after-wings,' that are so bright as to give common name to the species. We are studying them constantly and hope soon to learn all we care to know of any moths, for our experience with them is quite limited when compared with other visitors from the swamp. But think of the poetry of adding to the long list of birds, animals and insects that temporarily reside with us, a Sweetheart and a Bride!
CHAPTER X The Giant Gamin: Telea Polyphemus
Time cannot be used to tell of making the acquaintance of this moth until how well worth knowing it is has been explained. That it is a big birdlike fellow, with a six inch sweep of wing, is indicated by the fact that it is named in honour of the giant Polyphemus. Telea means 'the end,' and as scientists fail to explain the appropriateness of this, I am at liberty to indulge a theory of my own. Nature made this handsome moth last, and as it was the end, surpassed herself as a finishing touch on creatures that are, no doubt, her frailest and most exquisite creation.
Polyphemus is rich in shadings of many subdued colours, that so blend and contrast as to give it no superior in the family of short-lived lovers of moonlight. Its front wings are a complicated study of many colours, for some of which it would be difficult to find a name. Really, it is the one moth that must be seen and studied in minutest detail to gain an idea of its beauty. The nearest I can come to the general groundwork of the wing is a rich brown-yellow. The costa is grey, this colour spreading in a widening line from the base of the wing to more than a quarter of an inch at the tip, and closely peppered with black. At the base, the wing is covered with silky yellow-brown hairs. As if to outline the extent of these, comes a line of pinkish white, and then one of rich golden brown, shading into the prevailing colour.