Glen Parva & Glenhills Nature Reserve - Species List

Key to the list at the end of each section:
Black - Bio Blitz 2015 not photographed
Blue - Bio Blitz 2015 photographed
Red - photographed & identified by Volunteers
Green - from NatureSpot
All pictures are taken on the reserve.
Hover over the following pictures to enlarge


Bugs, also known as insects, can often be seen as an annoyance to humans, but they play a huge part in our world and 90% of all living things are insects, so they’re very important.

They do not have lungs and most have compound eyes and they are cold-blooded
Bugs are useful because they produce honey, wax, silk and other products. They pollenate flowers and crops but they can be a problem to farmers because they destroy crops. They also carry disease and are a major pest to animals and people.

Dock Leaf Bug - Coreus marginatus
John F - Oct 2016 nymph below Sept 2016

The Dock Leaf Bug is a very common species in the British Isles and parts of Northern America reaching a length of 12-15mm (0.5-0.6in). Found on many flowers both in the garden and open grassy areas, often in small groups of both adults and larvae. It does not have the side stripes seen in other Shield Bug species and it's shoulders are more rounded. It has two small distinctive pointers in the front of the head between the antennae which have dark tips.
The Dock Leaf Bug is a large and mottled red brown squash bug with a broad oval abdomen, in the UK it it regarded as a member of the Shield Bug family. There is one generation per year, adults mating and laying eggs in spring. The larvae feed on dock, sorrel and other related plants in the Polygonaceae, new adults may be found from August onwards. Common and widespread in southern Britain, including Ireland, where it may be found in a variety of dry and damp habitats. Length 13-15mm. (0.5-0.7in)
Coreidae are a large family of predominantly herbivorous insects of which there are more than 1,800 species in over 250 genera. They vary in size from 7-45mm (0.25-1.7in)). Variable body shape, with some species broadly oval while others are slender. In North America they are colloquially called "Squash Bugs" as some of the species are a pest of squashes. Some exhibit parental care by carrying their eggs. Their general features are an oval-shaped body, four segment antennae, a numerously veined fore wing membrane.
There is one generation per year, adults mating and laying eggs in spring. The nymphs feed on dock and other related plants in the Polygonaceae; new adults may be found from August onwards.

Green Shield Bug - Palomena prasina
Sue & Roy 20140610

In Europe, the bright green shield bugs appear in May, having hibernated as imagos during the winter. They fatten for a month and then mate in June. Copulation is back-to-back in typical Heteropteran mating position, as they are not flexible enough for both to face forward. The female lays her eggs in hexagonal batches of 25 to 30, and a single female will lay three to four batches. The imago's colouration changes over the summer from green to a greenish brown almost a bronze, before death.

3rd instar nymph below
John F Oct 2016
Lilly Bug - Lilioceris lilii
Sue H

The adult lily beetle is about 6 to 9 mm (¼–⅜ in) in length, with relatively long legs and antennae. Its elytra (harder forewings) are bright scarlet and shiny. Its underside, legs, eyes, antennae and head are all black. It has large eyes, a slim thorax, and a wide abdomen. Each antenna is made up of 11 segments. The eyes are notched and there are two grooves on the thorax.
It may be confused with the cardinal beetle, which also has red elytra and a black underside. The wing cases of the lily leaf beetle are dimpled and are shinier and more rounded than those of the cardinal beetle, which are relatively dull, and narrower, flatter, and more elongated.
Pond Skater - Gerris lacustris
John F July 2017

Also known as water striders, these bugs can skate, jump, and fly. Three pairs of long legs and water-repellent feet allow pond skaters to spread their, already light, weight and skate over the surface of water. Pond skaters are carnivorous and eat other insects.
Bio Blitz ------ 26-06-2015 blue & black

Alder Spittlebug - Aphrophora alni
Birch Shieldbug - Elasmostethus interstinctus
Common Flower Bug - Anthocoris nemorum
Common Froghopper - Philaenus spumarius
Common Pondskater - Gerris lacustris
Dock Leaf Bug - Coreus Marginatus
Green Shieldbug - Palomena prasina
Lesser Water Boatman - Corixa punctata
Lilly Bug - Lilioceris lilii
Pond Skater - Gerris lacustris
Potato Leafhopper - Eupteryx aurata

Sedate Shieldbug - Troilus luridus
Spear Thistle Lacebug - Tingis cardui
Tarnished Plant Bug - Lygus rugulipennis
Anthocoris nemoralis
Corizus hyoscyami
Deraeocoris flavilinea
Heterotoma planicornis
Leptopterna dolabrata
Stenodema laevigata
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