Halbert, Susan E.

Hibbard, Kenneth L.

Voegtlin, David J.

English

Hochschulschriftenserver - Universität Frankfurt am Main

56  Volume 15, No.3, September, 2001, INSECTA MUNDI Schizaphis minuta (van der Goot)  (Homoptera: Aphididae), new to the United States Schizaphis minuta (van der Goot) (Fig. 1) was found for the first time in  the  Western Hemisphere in suction trap samples in Florida. The first specimen was  collected in  a trap at  Quincy (Gadsden County) for the period 16 -23 November 1998. The record subse-quently was  verified by collections on several  species of  Cyperus in  the Ft. Pierce area. The aphid  is specific to  Cyperus and is unlikely to pose any threat to agriculture. Schizaphis minuta  probably  is native to Asia and  has been recorded previously in  Africa and Australia. It  is not known to be a pest. Schizaphis minuta can  be identified using East-op's (1961) key. It  is most easily recognized by the characteristic asymmetrical siphunculi  reminiscent of  those  found in  Rhopalosiphum (Fig 2). The median vein  of  the wing is once-branched, as in other Schiza-phis. Specimens were  found in  suction trap samples  in Quincy, Ft. Pierce (St. Lucie County), Belle Glade (Palm Beach County), Immokalee (Collier County), Kendall (Miami-Dade County), and Winter Haven (Polk County). Schizaphis minuta specimens were most common in  the traps in Ft. Pierce and Immoka-lee.  Only one specimen was collected in KendalL Populations and flight activity are highest in the winter, when  the  plants are  flowering. The aphids can be found most easily in the flower heads of Cyperus. Literature cited Eastop, V.F. 1961. A key for the determination of Schizaphis, Borner  (Aphididae, Hem.). The Ento-mologist 94: 241-246. - Susan  E. Halbert, Division of  Plant Industry, Florida  Department  of  Agriculture & Consumer Services, P.O. Box 147100, Gainesville, Florida 32614-7100; Kenneth L. Hibbard, Division of Plant  Industry,  Florida  Department  of Agriculture & Consumer Services, 8400 Picos Road Suite 301, Ft. Pierce, Florida 34945-3045; David  J.  Voegtlin,  Illinois  Natural History Survey, 607 East Peabody  Drive, Champaign,  IL 61820 Figures 1-2.  Schizaphis minuta (van der Goot)  1.  habitus of adult; 2.  siphunculus. 

Schizaphis minuta (van der Goot) (Homoptera: Aphididae) : new to the United States

Abstract

Similar works

Full text

Available Versions

Hochschulschriftenserver - Universität Frankfurt am Main