Strawberry Aphid

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Pest Profile Photo Credit: Jeffrey W. Lotz, Florida Department of Agriculture and Consumer Services, Bugwood.org Common Name: Strawberry Aphid Scientific Name: Chaetosiphon fragaefolli Order and Family: Hemiptera; Aphididae Size and Appearance: Adult Egg Nymph Pupae (if applicable) Length (mm) 1.3 – 1.5 mm 0.3 – 0.5 mm 0.8 – 1.1 mm Appearance -Pale green to -White to -Light green to pale yellowish in color. - yellowish in yellow in color. Similar Adults can be winged color when first to adults. or wingless. laid and then turn -Transverse abdominal -Transverse black and shiny. striations. abdominal striations. -Eggs can be laid -Knobbed hairs cover -Knobbed hairs cover in masses or the body. the body. clumps. -Antennae are as long as or longer than the body. Type of feeder (Chewing, sucking, etc.): Piercing, sucking for adults and nymphs. Host plants: Wild strawberry and cultivated strawberries. Description of Damage (nymphs and adults): Both nymphs and adults are sap feeders and cause damage. Damaged leaves will look curled and have yellow spots. Look for the presence of sticky honeydew on the leaves to indicate presence of the aphids. Black sooty mold can grow on the honeydew secretions on the leaves and other plant parts, which affects photosynthesis and reduces plant yield. Page 1 of 2 References: Bernardi, D., Garcia, M. S., Botton, M., & Nava, D. E. (2012). Biology and fertility life table of the green aphid Chaetosiphon fragaefolli on strawberry cultivars. Journal of Insect Science. 12(1), 28. Retrieved from http://jinsectscience.oxfordjournals.org/content/jis/12/1/28.full.pdf. Dransfield, D, & Brightwell, B., (n.d.) Chaetosiphon fragaefolii, Strawberry aphid. Retrieved from http://influentialpoints.com/Gallery/Chaetosiphon_fragaefolii_strawberry_aphid.htm. Dixon, A. F. G. (1985). Structure of aphid populations. Annual Review of Entomology, 30(1), 155-174. Retrieved from http://0- www.annualreviews.org.library.unl.edu/doi/pdf/10.1146/annurev.en.30.010185.001103. Rondon Silvia, I., & Cantliffe Daniel, J. (2005). Biology and control of the strawberry aphid, Chaetosiphon fragaefolli (Cockerell) (Homoptera: Aphididae) in Florida. Univ. of Florida. Retrieved from https://edis.ifas.ufl.edu/pdffiles/HS/HS25300.pdf. Page 2 of 2 .

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REDIA, XCII, 2009: 87-91 ROBERT G. FOOTTIT (*) - H. ERIC L. MAW (*) - KEITH S. PIKE (**) DNA BARCODES TO EXPLORE DIVERSITY IN APHIDS (HEMIPTERA APHIDIDAE AND ADELGIDAE) (*) Canadian National Collection of Insects, National Environmental Health Program, Agriculture and Agri-Food Canada, K.W. Neatby Building, 960 Carling Avenue, Ottawa, Ontario K1A 0C6, Canada;[email protected] (**) Washington State University, Irrigated Agriculture Research and Extension Center, 24106 N. Bunn Road, Prosser, WA 99350, U.S.A Foottit R.G., Maw H.E.L., Pike K.S. – DNA barcodes to explore diversity in aphids (Hemiptera Aphididae and Adelgidae). A tendency towards loss of taxonomically useful characters, and morphological plasticity due to host and environmental factors, complicates the identification of aphid species and the analysis of relationships. The presence of different morphological forms of a single species on different hosts and at different times of the year makes it difficult to consistently associate routinely collected field samples with particular species definitions. DNA barcoding has been proposed as a standardized approach to the characterization of life forms. We have tested the effectiveness of the standard 658-bp barcode fragment from the 5’ end of the mitochondrial cytochrome c oxidase 1 gene (COI) to differentiate among species of aphids and adelgids. Results are presented for a preliminary study on the application of DNA barcoding in which approximately 3600 specimens representing 568 species and 169 genera of the major subfamilies of aphids and the adelgids have been sequenced. Examples are provided where DNA barcoding has been used as a tool in recognizing the existence of cryptic new taxa, linking life stages on different hosts of adelgids, and as an aid in the delineation of species boundaries.
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Differential Transmission of Strawberry Mottle Virus by Chaetosiphon Thomas Hille Ris Lambers and Chaetosiphon Fragaefolii (Cock
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