Sipha species

Halbert, Susan E., Miller, Gary L. & Ames, Lisa M., 2013, The genus Sipha Passerini (Hemiptera: Aphididae) in North America, Insecta Mundi 2013 (326), pp. 1-6 : 3

Key to Sipha species in North America.

1.

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Cauda knobbed ( Fig. 3 ) (subgenus Sipha ) ................................................................................ 2 Cauda not knobbed ( Fig. 11 ) (subgenus Rungsia ) ................................................................... 4

2(1).

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Figures

Figures 1-9. 1) Slide mounted Sipha agropyronensis (Gillette). Photograph: Gary Miller. 2) Colony of Sipha flava (Forbes). Photograph: David J. Voegtlin, Illinois Natural History Survey, Champaign, IL. 3) Slide mounted Sipha flava (Forbes) alate. Photograph: Susan Halbert and Lyle J Buss, University of Florida, Gainesville. 4) Slide mounted Sipha flava (Forbes) aptera. Photograph: Susan Halbert and Lyle J Buss, University of Florida, Gainesville. 5) Damage from Sipha glyceriae (Kaltenbach) on rice in Italy. Photograph: Susan Halbert. 6) Slide mounted Sipha glyceriae (Kaltenbach) alate from North America. Photograph: Gary Miller. 7) Slide mounted Sipha glyceriae (Kaltenbach) aptera from North America. Photograph: Gary Miller. 8) Sipha elegans del Guercio on Agropyron sp. inIdaho.Photograph:Susan Halbert. 9) Sipha elegans del Guercio on Triticum aestivum (wheat) in Idaho. Photograph: Susan Halbert and Guy W. Bishop, University of Idaho, emeritus.

Figures 10-17. 1) Slide mounted Sipha elegans del Guercio alate. Photograph: Susan Halbert and Lyle J Buss, University of Florida, Gainesville. 11) Slide mounted Sipha elegans del Guercio aptera. Photograph: Susan Halbert and Lyle J Buss, University of Florida, Gainesville. 12) Colony of ant -tended Sipha maydis Passerini on wheat. Photograph: Lisa M. Ames. 13) Close up of Sipha maydis Passerini colony with adults, immature stages, and feeding damage. Photograph: Lisa M. Ames. 14) Slide mounted Sipha maydis Passerini alate. Photograph: Susan Halbert and Lyle J Buss, University of Florida, Gainesville. 15) Slide mounted Sipha maydis Passerini aptera. Photograph: Susan Halbert and Lyle J Buss, University of Florida, Gainesville. 16) Dorsum of Sipha glyceriae (Kaltenbach) from Europe, showing denticles. Photograph:Susan Halbert. 17) Dorsum of Sipha flava (Forbes) showing lack of denticles. Photograph: Susan Halbert.