includes both Sycamore (Acer pseudoplatanus) and Norway Maple (Acer platanoides)
![barkfly [Ectopsocus briggsi agg. ?]](https://test.intothevoid.co.uk/wp-content/gallery/mar_2026/BD2_1340_7D_TheDowns_15Mar2026.jpg "barkfly [Ectopsocus briggsi agg. ?]")
barkfly [Ectopsocus briggsi agg. ?]
macropterous adult barklfy of E. briggsi agg. on underside of a sycamore leaf – Location : Banstead Downs, Surrey, England – Date of image : 15 Mar 2026
![Harlequin Ladybird [Harmonia axyridis]](https://test.intothevoid.co.uk/wp-content/gallery/apr_2026/BD2_2494_7D_TheDowns_10Apr2026.jpg "Harlequin Ladybird [Harmonia axyridis]")
Harlequin Ladybird [Harmonia axyridis]
H. axyridis of form conspicua on opened Sycamore (Acer pseudoplatanus) leaf bud - Location : Banstead Downs, Surrey, England – Date of image : 10 Apr 2026
![Sycamore Gall Mite [Aceria cephalonea] and Stigmella? sp. leaf mine](https://test.intothevoid.co.uk/wp-content/gallery/sep-2025/NG8_4117_EOS-1D_TheDowns_25Sep2025-2.jpg "Sycamore Gall Mite [Aceria cephalonea] and Stigmella? sp. leaf mine")
Sycamore Gall Mite [Aceria cephalonea] and Stigmella? sp. leaf mine
Sycamore leaf with both red galls caused by the A. cephalonea mite and a Stigmella? sp. moth larva leaf mine - Location : Banstead Downs, Surrey, England – Date of image : 25 Sep 2025
![Common Periphyllus Aphid [Periphyllus testudinaceus]](https://test.intothevoid.co.uk/wp-content/gallery/apr_2026/BD2_2496_7D_TheDowns_10Apr2026.jpg "Common Periphyllus Aphid [Periphyllus testudinaceus]")
Common Periphyllus Aphid [Periphyllus testudinaceus]
apterous P. testudinaceus aphid on underside of a Sycamore (Acer pseudoplatanus) leaf - Location : Banstead Downs, Surrey, England – Date of image : 10 Apr 2026
![Pallid Buttercup Sawfly [Monophadnus pallescens]](https://test.intothevoid.co.uk/wp-content/gallery/apr_2026/BD2_2600_7D_TheDowns_13Apr2026.jpg "Pallid Buttercup Sawfly [Monophadnus pallescens]")
Pallid Buttercup Sawfly [Monophadnus pallescens]
Female M. pallescens on Sycamore (Acer pseudoplatanus) leaf - Location : Banstead Downs, Surrey, England – Date of image : 13 Apr 2026
![Sycamore Periphyllus Aphid [Periphyllus acericola]](https://test.intothevoid.co.uk/wp-content/gallery/march-april_2025/NG8_9540_EOS-1D_TheDowns_28Apr2025.jpg "Sycamore Periphyllus Aphid [Periphyllus acericola]")
Sycamore Periphyllus Aphid [Periphyllus acericola]
Apterous adults giving birth to new nymphs on underside of a sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 28 Apr 2025
![Mottled Umber [Erannis defoliaria]](https://test.intothevoid.co.uk/wp-content/gallery/march-april_2025/NG8_9556_EOS-1D_TheDowns_28Apr2025.jpg "Mottled Umber [Erannis defoliaria]")
Mottled Umber [Erannis defoliaria]
Larva on sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 28 Apr 2025
![Sycamore Gall Mite [Aceria cephalonea]](https://test.intothevoid.co.uk/wp-content/gallery/march-april_2025/NG8_9569_EOS-1D_TheDowns_28Apr2025.jpg "Sycamore Gall Mite [Aceria cephalonea]")
Sycamore Gall Mite [Aceria cephalonea]
Red galls caused by A. cephalonea on the upper surface of a sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 28 Apr 2025
![Sycamore Felt Gall Mite [Aceria pseudoplatani]](https://test.intothevoid.co.uk/wp-content/gallery/aug_2025/NG8_3163_EOS-1D_TheDowns_11Aug2025.jpg "Sycamore Felt Gall Mite [Aceria pseudoplatani]")
Sycamore Felt Gall Mite [Aceria pseudoplatani]
Mature erinea (abnormal felty growths of hairs) induced by the gall mite A. pseudoplatani on the underside of sycamore leaves - Location : Banstead Downs, Surrey, England – Date of image : 11 Aug 2025
![Batman Hoverfly [Myathropa florea]](https://test.intothevoid.co.uk/wp-content/gallery/oct_2025/NG8_4404_EOS-1D_TheDowns_06Oct2025.jpg "Batman Hoverfly [Myathropa florea]")
Batman Hoverfly [Myathropa florea]
Male on Norway Maple (Acer platanoides) leaf - Location : Banstead Downs, Surrey, England - Date of image : 06 Oct 2025
![Sycamore Periphyllus Aphid [Periphyllus acericola]](https://test.intothevoid.co.uk/wp-content/gallery/may_2026/BD2_4808_7D_TheDowns_08May2026.jpg "Sycamore Periphyllus Aphid [Periphyllus acericola]")
Sycamore Periphyllus Aphid [Periphyllus acericola]
alate adult of P. acericola on a Sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 8 May 2026
![Yellow-legged Centurion [Sargus flavipes?]](https://test.intothevoid.co.uk/wp-content/gallery/sep_2026/NG9_2507-8_EOS-1D_TheDowns_25Sep2026.jpg "Yellow-legged Centurion [Sargus flavipes?]")
Yellow-legged Centurion [Sargus flavipes?]
female S. flavipes? on a Norway Maple (Acer platanoides) leaf - Location : Banstead Downs, Surrey, England – Date of image : 25 Sep 2026
![Maple Dot [Stigmella aceris?]](https://test.intothevoid.co.uk/wp-content/gallery/sep-2025/NG8_4215_EOS-1D_TheDowns_30Sep2025.jpg "Maple Dot [Stigmella aceris?]")
Maple Dot [Stigmella aceris?]
Leaf mine of S. aceris on a Norway Maple (Acer platanoides) leaf – Location : Banstead Downs, Surrey, England – Date of image : 30 Sep 2025
![Parasitic wasp [unidentified]](https://test.intothevoid.co.uk/wp-content/gallery/apr_2026/BD2_2689_7D_TheDowns_14Apr2026.jpg "Parasitic wasp [unidentified]")
Parasitic wasp [unidentified]
unidentified parasitic wasp on a Sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 14 Apr 2026
![Sycamore Periphyllus Aphid [Periphyllus acericola]](https://test.intothevoid.co.uk/wp-content/gallery/may_2026/BD2_4812_7D_TheDowns_08May2026.jpg "Sycamore Periphyllus Aphid [Periphyllus acericola]")
Sycamore Periphyllus Aphid [Periphyllus acericola]
alate adult and cluster of dimorph nymphs of P. acericola on a Sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 8 May 2026
![Sycamore Periphyllus Aphid [Periphyllus acericola]](https://test.intothevoid.co.uk/wp-content/gallery/march-april_2025/NG8_9605_EOS-1D_TheDowns_29Apr2025.jpg "Sycamore Periphyllus Aphid [Periphyllus acericola]")
Sycamore Periphyllus Aphid [Periphyllus acericola]
Alate adults on sycamore leaf with first instar nymphs - Location : Banstead Downs, Surrey, England – Date of image : 29 Apr 2025
![powdery mildew [Sawadaea sp.?]](https://test.intothevoid.co.uk/wp-content/gallery/sep-2025/NG8_4216_EOS-1D_TheDowns_30Sep2025.jpg "powdery mildew [Sawadaea sp.?]")
powdery mildew [Sawadaea sp.?]
Norway Maple leaf infected by a Sawadaea sp. powdery mildew – Location : Banstead Downs, Surrey, England – Date of image : 30 Sep 2025
![Flavous Nomad Bee [Nomada flava]](https://test.intothevoid.co.uk/wp-content/gallery/apr_2026/BD2_2700_7D_TheDowns_16Apr2026.jpg "Flavous Nomad Bee [Nomada flava]")
Flavous Nomad Bee [Nomada flava]
female N. flava on a Sycamore leaf - Location : Banstead Downs, Surrey, England – Date of image : 16 Apr 2026
![Sycamore Felt Gall Mite [Aceria pseudoplatani]](https://test.intothevoid.co.uk/wp-content/gallery/aug_2025/NG8_1628-JO8V0905_EOS-1D_TheDowns.jpg "Sycamore Felt Gall Mite [Aceria pseudoplatani]")
Sycamore Felt Gall Mite [Aceria pseudoplatani]
Mature erinea (abnormal felty growths of hairs) induced by the gall mite A. pseudoplatani on the underside of sycamore leaves (right) and immature erinea (left) - Location : Banstead Downs, Surrey, England – Dates of images : 26 Jun 2025 (left) and 11 Aug 2025
![ichneumon wasp [Dusona circumspectans]](https://test.intothevoid.co.uk/wp-content/gallery/oct_2025/NG8_4443_EOS-1D_TheDowns_06Oct2025.jpg "ichneumon wasp [Dusona circumspectans]")
ichneumon wasp [Dusona circumspectans]
Female on a sycamore leaf - Location : Banstead Downs, Surrey, England - Date of image : 06 Oct 2025