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Journal of the Lepidopterists' Society 36(2), 1982, 160
NEW HOSTPLANT RECORDS FOR AGONOPTERIX CLEMENSELLA (OECOPHORIDAE)
As is the case for most of the Oecophoridae, details of the biology of early stages of Agonopterix clemensella (Chambers) are poorly known. Hodges (1974, Gelechioidea Oecophoridae, Moths of America North of Mexico, Fascicle 6.2, E. W. Classey, Ltd., London) reports that "the larva has been reared from parsnip, Pastinaca sativa L. and undoubtedly feeds on native umbels." Exhaustive sampling of Umbelliferae in Tompkins County, New York, during the spring and summer months of 1977 through 1979, revealed that A. clemensella utilizes a broad range of both native and introduced species (Table 1). The host list includes representatives of two subfamilies and five tribes in the family Umbelliferae; ten of the sixteen species are native to North America. The host plants occur in a variety of habitats, ranging from rich woods to waste places; clearly, A. clemensella is a family and not a habitat specialist.
The only umbellifer examined that is consistently avoided by A. clemensella is Conium maculatum (poison hemlock); in fact, caterpillars confined to the foliage invariably died. C. maculatum, however, is the sole host for A. alstroemeriana, sl recently introduced European species (Berenbaum and Passoa, in preparation).
Larvae can be collected throughout June; adults emerge in late June and early July, approximately 10-14 days after pupation. Caterpillars on each plant species were reared through to the adult stage to verify their identity. Identifications were made by J. Franclemont and R. Brown of the Department of Entomology at Cornell University; representative specimens are on deposit in the Cornell University Collection, Lot 1023, Sublot 4IB. This work was supported by National Science Foundation research grant DEB 76-20114 to P. Feeny.
M. Berenbaum, Department of Entomology, Cornell University, Ithaca, New York 14853. (Present address: Department of Entomology, 320 Morrill Hall, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801.)
TABLE 1. Hostplants of Agonopterix clemensella in Tompkins County, New York. (Species arranged according to Drude, 1898, Umbelliferae, in Die natiirlichen Pflan-zenfamilien 3:63-250.)
Saniculoideae Saniculeae
Apioideae Scandicinae Carinae
Peucedaneae
Dauceae
*Sanicula gregaria
*Osmorhiza longistylis
Apium graveolens *Zizia aptera *Zizia aurea *Cicuta maculata *Cryptotaenia canadensis *Taenidia integerrima
Aegopodium podagraria *Sium suave
^Angelica atropurpurea
Levisticum officinale
Pastinaca sativa *Heracleum lanatum
Heracleum mantegazzianum
Daucus carota
Damp woods
Damp woods
Greenhouse Dry woods Damp woods Wet meadows Damp woods Dry woods Waste places Wet meadows
Wet meadows Waste places Waste places Waste places Waste places
Waste places
* Species considered native to North America (according to Fernald, 1950, Gray's Manual of Botany, 8th edition, American Book Co., New York).
Date of Issue (Vol. 36, No. 2): 24 September 1982