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212 1966 Pacific Slope Meetings Vol. 21, no. 3
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riers such as deserts or wide rivers, migratory tendencies, vagility, and paleogeo-graphic changes.
The final paper of the meeting, "Spiders and Pseudohazis" was given by David L. Bauer of Bijou, California. Mr. Bauer reported that male Pseudohazis were apparently seeking out and becoming entangled in the webs of spiders near Carson City, Nevada. The moths flew directly into the centers of the bushes where the spiders' webs were placed. Pseudohazis her a flew into the webs of the spider Argiope trifasciata and both P. washingtonensis and eglanterina nuttalli flew into the webs of the spider Araneus gemma. The possibility that the spiders produce a substance chemically related to pheromones known to be produced by female Saturniids of other genera was mentioned as one hypothesis.
The meeting was adjourned at noon after a brief business meeting.
The following 38 members of the society registered: Waldo Abbott, Nelson W. Baker, David L. Bauer, Peter F. Bellinger, Thomas Dimoek, John F. and Thomas C. Emmel, Carl Goodpasture, C. F. Harbison, Chris Henne, Peter Herlan, Charles Hogue, Dick Holland, Peter Jump, Carl W. Kirkwood, John Lane, Robert Langston, Ronald Leuschner, Henry A. Madson, Lloyd M. Martin, Paddy McHenry, E. J. Newcomer, Paul A. Opler, J. A. Powell, Joe Roberds, A. Rubbert, Frank Sala, Ed and Scott Sampson, Elton Sette, Jon H. Shepard, Oakley Shields, Phil Smith, Ray Stanford, Fred Thorne, J. W. Tilden, Erich Walter, and Romain Young.
Respectfully submitted,
John Lane Secretary pro tempore
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New Host Plant Records for Anthocaris (Pieridae)
In the course of searching cruciferous plants for life history material representing the genus Euchloe for use in a revision of Nearctic species, eggs and larvae of Anthocaris sara Lucas and A. lanceolata Lucas were found on plants which represent new host records. The data for these collections are listed below. Determination of the Arabis and Brassica was confirmed by C. W. Sharsmith, San Jose State College.
Anthocaris sara Arabis sparsiflora Nutt. var. arcuata (Nutt.) Roll.
Dry Crook, 3 miles south Piru Creek turnoff, Ventura County, California, 4 May
1964, eggs and larvae. Barharea vulgaris (L.)
Russelman Park, Mt. Diablo, Contra Costa County, CaHfornia, 24 April 1966,
larva. Brassica Kaber (D.C.)
Strawberry Canyon, Alameda County, California, 18 April 1964, larva. Descurrainea sp.
upper Cantillas Canyon, Sierra Juarez, Baja California del Norte, Mexico, 21
March 1967, larvae. Sisymbrium officinale (L.) Scop.
Gates Canyon, Vaca Mountains, Solano County, California, 21 April 1966, larvae.
Anthocaris lanceolata Arabis sparsiflora Nutt. var. arcuata (Nutt.) Roll.
Dry Creek, 3 miles west Piru Creek turnoff, Ventura County, California, 2 May 1964, larva.
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P. A. Opler, University of California, Berkeley, California.
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