Scaeva pyrastri on tansy on the South bank of the Medway. This is a lovely insect and a relatively easy species to identify compared to some groups of hoverflies.
Only one Scaeva seen today, on the beautiful tansy (Tanacetum vulgare) flowers by the South bank of the river to the East of East Lock - this is the only site where I am currently aware of tansies growing apparently in the wild in the parish. The common tansy releases a camphor-like essential oil. In excess it is certainly toxic to humans, and it may also be used as an insect repellent
Only one Scaeva seen today, on the beautiful tansy (Tanacetum vulgare) flowers by the South bank of the river to the East of East Lock - this is the only site where I am currently aware of tansies growing apparently in the wild in the parish. The common tansy releases a camphor-like essential oil. In excess it is certainly toxic to humans, and it may also be used as an insect repellent
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