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Macrosiphum tinctum

Green willowherb aphid

Identification & Distribution 

Identification & Distribution:

Macrosiphum tinctum apterae are mid to blue green with a darker spinal stripe. Their femora are entirely pale and the siphunculi are dusky at their apices.

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


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

The green willowherb aphid does not host alternate. Macrosiphum tinctum is found on willowherbs Epilobium species, mainly Epilobium angustifolium (rosebay willowherb) and Epilobium montanum (broad-leaved willowherb).


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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