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Apterous (non-winged) lettuce aphid (Nasonovia ribis-nigri) nymph on lettuce.

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Alate (winged) adult lettuce aphid (Nasonovia ribis-nigri).

Img04026

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Lettuce aphid (Nasonovia ribis-nigri) nymph on lettuce.  

Img04027

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Large Lettuce aphid (Nasonovia ribis-nigri) nymph on lettuce.

Img04028

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Large Lettuce aphid (Nasonovia ribis-nigri) nymph on lettuce.  

Img04029

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Large Lettuce aphid (Nasonovia ribis-nigri) nymph on lettuce.

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Large Lettuce aphid (Nasonovia ribis-nigri) nymph.

Img04031

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Large Lettuce aphid (Nasonovia ribis-nigri) nymph on lettuce.

Img04032

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Lettuce aphid (Nasonovia ribis-nigri) nymph, western flower thrips and a minute pirate bug on a sticky card.

 

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Lettuce aphid (Nasonovia ribis-nigri) nymph on lettuce.

Img04034

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Lettuce aphid (Nasonovia ribis-nigri) nymph on lettuce.  

Img04035

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Lettuce aphid (Nasonovia ribis-nigri) nymph on lettuce.  

Img04036

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Lettuce aphid (Nasonovia ribis-nigri) nymph on lettuce.

Img04037

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Lettuce aphid (Nasonovia ribis-nigri) nymph on lettuce. 

Img04038

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Lettuce aphid (Nasonovia ribis-nigri) nymph on lettuce.

Img04039

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Alate (winged) adult lettuce aphid (Nasonovia ribis-nigri) on lettuce.  

Img04040

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Alate (winged) adult lettuce aphid (Nasonovia ribis-nigri) on lettuce.  

Img04041

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Cabbage looper larva (Trichoplusia ni) and lettuce aphid nymph (Nasonovia ribis-nigri) on lettuce.  

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Lettuce aphid (Nasonovia ribis-nigri) nymphs on lettuce.  

Img04043

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Lettuce aphid (Nasonovia ribis-nigri) nymphs on lettuce.

Img04044

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Lettuce aphid (Nasonovia ribis-nigri) nymphs on lettuce.

Img04045

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Lettuce aphid (Nasonovia ribis-nigri) nymphs on lettuce.

Img04046

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Lettuce aphid (Nasonovia ribis-nigri) nymphs on lettuce.

Img04047

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Small cabbage looper larva (Trichoplusia ni) on lettuce.

Img04048

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Alate (winged) adult lettuce aphid (Nasonovia ribis-nigri) on lettuce.

 


Full Disclaimers

Issued in furtherance of Cooperative Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture, James A. Christenson, Director Cooperative Extension, College of Agriculture and Life Sciences, The University of Arizona.

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