What have I seen on Sycamore?

male N. flava on a Sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 18 Apr 2026

H. affinis sawfly on a Sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 20 Apr 2026

adult apterae and nymphs of P. acericola on a sycamore leaf with a nymph of the Sycamore Leafhopper (Edwardsiana nigroloba) right- Location : Banstead Downs, Surrey, England – Date of image : 22 May 2026

moth caterpillars found on sycamore leaves, one inside a silken cocoon - Location : Banstead Downs, Surrey, England – Date of image : 21 Apr 2026

female P. pallens guarding her egg sac on a Sycamore (Acer pseudoplatanus) leaf - Location : Banstead Downs, Surrey, England – Date of image : 23 May 2026

a Lasioglossum sp. furrow bee on a Sycamore (Acer pseudoplatanus) leaf - Location : Banstead Downs, Surrey, England – Date of image : 21 Apr 2026

adult alate D. platanoidis of the summer form on a Sycamore (Acer pseudoplatanus) leaf - Location : Banstead Downs, Surrey, England – Date of image : 23 May 2026

a Lasioglossum sp. furrow bee on a Sycamore (Acer pseudoplatanus) leaf - Location : Banstead Downs, Surrey, England – Date of image : 21 Apr 2026

Birch Catkin Bug on sycamore leaf buds - Location : Banstead Downs, Surrey, England – Date of image : 28 Nov 2025

Common Grammoptera beetle on a sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 22 Apr 2026

E. continuus resting on a Sycamore (Acer pseudoplatanus) leaf - Location : Banstead Downs, Surrey, England – Date of image : 02 May 2026

a group of developing nymphs of P. acericola, one (top right) with wing buds, on underside of a Sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 22 Apr 2026

early instar nymph of R. striatellus on underside of a Sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 24 Apr 2026

adult R. striatellus on a Sycamore (Acer pseudoplatanus) leaf - Location : Banstead Downs, Surrey, England – Date of image : 02 May 2026

Alder Spittlebug on a sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 17 Oct 2025

E. defoliaria caterpillar on underside of a Sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 24 Apr 2026

an unidentified caterpillar inside a silken tent-like cocoon on the underside of a Sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 24 Apr 2026

female N. ruficornis? on a Sycamore (Acer pseudoplatanus) leaf - Location : Belmont, Sutton, Greater London, England – Date of image : 04 May 2026

immature larva of O brumata on a Sycamore (Acer pseudoplatanus) leaf - Location : Banstead Downs, Surrey, England – Date of image : 25 Apr 2026

nymph of M. striatus on a Sycamore (Acer pseudoplatanus) leaf - Location : Banstead Downs, Surrey, England – Date of image : 25 Apr 2026