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Volume 25, Number 1
83
Poanes massasoit, and such little-known skippers as Euphyes dion and himacula, Poanes viator, and Hesperia leonardus and metea. Shorter series of special interest are Coenonympha tullia heinemani, a unique eastern Adirondack Cercyonis, Erora laeta, Incisalia spp., and Colias interior from Pennsylvania and Tug Hill, N. Y. Singletons include a hybrid of Limenitis arthemis and archippus and a gynandromorph of Pieris rapae, both taken wild in Tompkins Co., N. Y.
The British series includes 1393 specimens (24 species), of which 558 are of the very strange Pieris napi-group taxon from northern Scotland (about 20 localities). There are far-northern Scottish Lycaena phlaeas, Polyommatus icarus, and Coenonympha pamphilus, and a bred gynandromorph of English P. napi. Thymelicus lineola is represented by examples from both countries, including 116 documenting the spread of this introduced species through central New York since 1968.
Among 1026 butterflies in miscellaneous series are over 200 of a Colias philodice-eurytheme hybrid swarm in southeastern Arizona, various mutants of the eastern Colias, and a series of Lycaenopsis pseudargiolus from the New lersey pine barrens including extreme lucia. Finally, there are 1111 bred Pieridae illustrating genetic and environmental experiments on color and pattern regulation.
L. L. Pechuman, Cornell University, Ithaca, N. Y.
SPECIMENS DAMAGED BY CARPENTER ANTS
Even the unseasoned collector is aware of the necessity for protecting specimens in storage or cabinet with paradichlorobenzene or naphthalene, to guard against dermestid infestation. In any closed container, these substances repel all injurious pests. When used in a drying cabinet, specimens on setting boards can also be protected.
When setting boards are not enclosed, however, specimens may be subject to one uncommon pest, the Carpenter Ant, Camponotus pennsylvaniens. On one occasion I found my boards swarming with workers of pennsylvanicus, and the abdomens of several specimens had been eaten. The setting board grooves were stained yellow beneath the specimens with what may have been a formic acid solution, secreted by the ants to soften the abdomen tissues while feeding.
Since dermestid damage is a slow process, there is little danger of destruction during the relatively short time specimens are on the setting boards. Damage from C. pennsylvanicus, however, can occur in only minutes. To prevent its recurrence, I treated the edges of all setting boards with a commercial insecticide having strong residual properties. No further ant damage has been noted since this precaution was taken.
J. B. Wood, 140 Pines Drive, Henderson, Kentucky.
IRWIN COLLECTION TO ILLINOIS NATURAL HISTORY SURVEY
The writer of this note has donated the bulk of his collection to the Illinois Natural History Survey, Urbana, Illinois. It consists of approximately 3,800 pinned specimens of mostly North American butterflies, with emphasis on the Illinois fauna. A number of species contained in the collection were not previously represented in