Coleoptera at Hylands Park HALIPLIDAE Haliplus ruficollis (Degeer) 1 DYTISCIDAE Hyphydrus ovatus (Linnaeus) 5 Hygrotus inaequalis (Fabricius) 5 Suphrodytes dorsalis (Fabricius) 5 Hydroporus palustris (Linnaeus) 5 Hydroporus planus (Fabricius) 5 Agabus bipustulatus (Linnaeus) 5 Dytiscus sp. 5 HYDROPHILIDAE Helophorus aequalis Thomson 5 Helophorus grandis Illiger 5 Helophorus brevipalpis Bedel 1 Helophorus obscurus Mulsant 5 Cercyon convexiusculus Stephens 1 Nb Cercyon haemorrhoidalis (Fabricius) 5 Cercyon impressus (Sturm) 1 Cercyon lateralis (Marsham) 1 Cercyon melanocephalus (Linnaeus) 1 Cercyon sternalis Sharp 1,3 Nb Megasternum obscurum (Marsham) 1,3,5 Cryptopleurum minutum (Fabricius) 1 Hydrobius fuscipes (Linnaeus) 1 HISTERIDAE Abraeus globosus (J. Hoffmann) 1,3,5 S Dendrophilus punctatus (Herbst) 4 Paromalus flavicornis (Herbst) 5 S Onthophilus striatus (Forster) 1 Paralister carbonarius (J. Hoffmann) 1 HYDRAENIDAE Octhebius minimus (Fabricius) 3 PTILIIDAE Nossidium pilosellum (Marsham) 5 S N Ptenidium fuscicorne Erichson 3 Ptenidium intermedium Wankowicz 4 Ptenidium laevigatum Erichson 1 S Ptenidium nitidum (Heer) 1 Ptenidium pusillum (Gyllenhal) 1 Ptinella aptera (Guerin-Meneville) 1,5 S Pteryx suturalis (Heer) 1 S Acrotrichis atomaria (Degeer) 1 Acrotrichis intermedia (Gillmeister) 1 Acrotrichis sitkaensis (Motschulsky) 1 LEIODIDAE Anisotoma humeralis (Fabricius) 1 S Anisotoma orbicularis (Herbst) 1 S Agathidium varians Beck 1 S Ptomaphagus medius Rey 1 98 Essex Parks: Section 2 - Hylands Park