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Myzus ligustri

Privet aphid

Identification & Distribution 

Identification & Distribution:

The apterae of Myzus ligustri are shiny greenish-yellow. Their antennae and legs are pale, apart from the joints, which are brown. The siphunculi have their distal parts brownish black. The cauda is pale. The body length of Myzus ligustri apterae is 1.0-1.5 mm.

 

The clarified slide mounts below are of adult viviparous female Myzus ligustri : wingless, and winged.

 

Micrographs of clarified mounts  by permission of Roger Blackman, copyright AWP  all rights reserved.

The privet aphid does not host alternate but spends all its life cycle on privet (Ligustrum ovalifolium, Ligustrum vulgare). Sexual forms are produced in November. Privet leaves are rolled longitudinally into narrow tubes and spotted with yellow. Myzus ligustri is found in Europe and has been introduced into North America.

Acknowledgements

Our particular thanks to Roger Blackman for images of his clarified slide mounts.

We have made provisional identifications from high resolution photos of living specimens, along with host plant identity. In the great majority of cases, identifications have been confirmed by microscopic examination of preserved specimens. We have used the keys and species accounts of Blackman & Eastop (1994)  and Blackman & Eastop (2006)  supplemented with Blackman (1974) , Stroyan (1977) , Stroyan (1984) , Blackman & Eastop (1984) , Heie (1980-1995) , Dixon & Thieme (2007)  and Blackman (2010) . We fully acknowledge these authors as the source for the (summarized) taxonomic information we have presented. Any errors in identification or information are ours alone, and we would be very grateful for any corrections. For assistance on the terms used for aphid morphology we suggest the figure  provided by Blackman & Eastop (2006).

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