A to Z of British Insects

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Primary Image Titlesort icon Scientific Name Description
Baccha elongata Baccha elongata
Backswimmer Notonecta lutea
Balclutha punctata Balclutha punctata
Balclutha saltuella Balclutha saltuella
Bark Louse Caecilius flavidus
Barklouse Graphopsocus cruciatus
Bast bark beetle Ernoporus tiliae.
Bathysolen nubilus Bathysolen nubilus
Batracomorphus irroratus Batracomorphus irroratus
Bedeguar gall wasp Diplolepis rosae
Bee Beetle Trichius fasciatus

As the name suggests, the Bee Beetle is a beetle with a very bee-like appearance, due to it's very hairy black and orange-yellow markings.
Bee mimic Volucella bombylans var. bombylans
Bee-fly Bombylius major
Beewolf Philanthus triangulum
Beosus maritimus Beosus maritimus
Berytinus clavipes Berytinus clavipes
Berytinus crassipes Berytinus crassipes
Berytinus hirticornis Berytinus hirticornis
Berytinus minor Berytinus minor
Berytinus montivagus Berytinus montivagus
Berytinus signoreti Berytinus signoreti
Bibio Hortulanus Bibio Hortulanus
Bilberry Humble-bee Bombus monticola
Birch Catkin Bug Kleidocerys resedae
Birch Sawfly Cimbex femoratus The adult Birch Sawfly is large with yellow-tipped antennae and yellow on the base of its abdomen. Wings are smoky brown colour with dark brown margins.
Birch Shieldbug Elasmostethus interstinctus
Bishop's Mitre Bug Aelia acuminata
Black & Red Froghopper Cercopis vulnerata
Black Bean Aphid Aphis fabae
Black Bog Ant Formica candida
Black Horned Cleg Haematopota crassicornis
Black Kneed Capsid Blepharidopterus angulatus
Black-spotted Longhorn Beetle Rhagium mordax
Blacksnake millipede Tachypodoiulus niger
Blepharidopterus diaphanus Blepharidopterus diaphanus
Bloody-Nosed Beetle Timarcha tenebricosa
Blue Bug Zicrona caerulea
Blue ground beetle Carabus intricatus
Blue Mason Bee Osmia caerulescens
Blue Shield bug Zicrona caerulea The Blue Shield bug is a medium-sized dark shieldbug with a deep blue-green metallic sheen.
Blue shieldbug Zicona caerulea
Bluebottle Calliphora erythrocephala Bluebottles have a shiny blue body with reddish eyes and jowls.
Bluebottle Calliphora vicina

There are many Bluebottle flies, this one has a reddish face with a black beard, immature or worn specimens can be difficult to tell apart.  The telling feature is the yellow to orange '...

Bluebottle Calliphora vomitoria

This is not as commonly seen as C. vicina, which often frequents gardens.  C. vomitoria has a black face with a red beard and a yellowish spiracle, where C. vicina has a reddish face with a...

Bog Bush-cricket Metrioptera brachyptera The Bog Bush-cricket has a brown body with a bright green underside to abdomen. The top of pronotum and wings are usually brown or bright green.
Bog Hoverfly Eristalis cryptarum
Bothrostethus annulipes Bothrostethus annulipes
Bothynotus pilosus Bothynotus pilosus
Box Bug Gonocerus acuteangulatus
Brachyarthrum limitatum Brachyarthrum limitatum
Brachycarenus tigrinus Brachycarenus tigrinus
Brachysteles parvicornis Brachysteles parvicornis
Brassy mining bee Lassioglossum morio
Brindled Hoverfly Helophilus pendulus
Bristletail Petrobius maritimus The Bristletail has an elongated body with long antennae, three filaments at the tail end no wings.
Broad Damsel Bug Nabis flavomarginatus
Brown-Banded Carder Bee Bombus humilis
Bryocoris pteridis Bryocoris pteridis
Bryony Bee Andrena florea
Buchananiella continua Buchananiella continua
Buff-tailed bumble bee Bombus terrestris
Burying Beetle Nicrophorus investigator
Byrrhus pilula Byrrhus pilula
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