Beetles of 2020

This post will serve as a log of beetle observations sorted by family and seen in 2020.

Anthribidae


Fungus Weevils
Anthribidae - Anthribidae sp. Anthribidae - Euparius marmoreus Anthribidae - Trigonorhinus limbatus The one on the far left flew into my eye. That picture shows it sitting on the pad of my finger.

Attelabidae


Leaf Rolling Weevils
Attelabidae - Homoeolabus analis Attelabidae - Homoeolabus analis Attelabidae - Homoeolabus analis

Bostrichidae


Horned Powder-post Beetles, False Powderpost Beetles, Branch-and-Twig Borers, Augur Beetles
Bostrichidae - Lichenophanes bicornis Bostrichidae - Melalgus plicatus Bostrichidae - Xylobiops basilaris

Cantharidae


Soldier Beetles
Cantharidae - Rhagonycha sp. Cantharidae - Rhagonycha sp.

Carabidae


Ground Beetles
Carabidae - Amara sp. Carabidae - Calathus sp. Carabidae - Harpalinae sp. I have no idea how to tell most of these apart. I'm relying on the IDs from made by others. I suppose I'll add notes on how to identify them when I learn how.
Carabidae - Lebia viridis. Carabidae - Notiobia sp. Carabidae - Platynina sp.
Carabidae - Plochionus sp. Carabidae - Selenophorus sp. Carabidae - Stenolophus dissimilis

Cerambycidae


Longhorn Beetles
Cerambycidae - Anelaphus debilis Cerambycidae - Euderces reichei Cerambycidae - Hypexilis pallida
Cerambycidae - Obrium maculatum Cerambycidae - Phoracanthini sp. Cerambycidae - Rhopalophora longipes
Cerambycidae - Smodicum cucujiforme Cerambycidae - Sternidius mimeticus

Chrysomelidae


Leaf Beetles
Chrysomelidae - Adoxini sp. Chrysomelidae - Adoxini sp. Chrysomelidae - Algarobius sp.
Chrysomelidae - Brachypnoea lecontei Chrysomelidae - Derospidea brevicollis Chrysomelidae - Diabrotica undecimpunctata
Chrysomelidae - Eumolpinae sp. Chrysomelidae - Iphimeites sp. Chrysomelidae - Rhabdopterus sp.
Chrysomelidae - Xanthonia picturata Chrysomelidae - Xanthonia sp. Chrysomelidae - unknown sp.

Claridae


Checkered Beetles
Claridae - Chariessa vestita

Coccinellidae


Lady Beetles
Coccinellidae - Coccinella semptempunctata Coccinellidae - Harmonia axyridis Coccinellidae - Harmonia axyridis
Coccinellidae - Harmonia axyridis larva

Cryptophagidae


Silken Fungus Beetles
Cryptophagidae - Cryptophagini sp. Cryptophagidae - Cryptophagus setulosus

Curculionidae


Snout and Bark Beetles, Weevils
Curculionidae - Conotrachelus nenuphar Curculionidae - Conotrachelus sp. Curculionidae - Dorytomus mucidus
Curculionidae - Lignyodes horridulus Curculionidae - Sitona californius

Dytiscidae


Predaceous Diving Beetles
Dytiscidae - Copelatus chevrolati Dytiscidae - Copelatus glyphicus

Elateradae


Click Beetles, Wire Worms
Elateridae - Aeolus sp. Elateridae - Alaus lusciosus Elateridae - Anchastus rufus
Elateridae - Dipropus simplex Elateridae - Esthesopus parcus Elateridae - Megapenthes insignis
Elateridae - Melanotus sp. Elateridae - Selonodon sp.

Erotylidae


Pleasing Fungus Beetles
Erotylidae - Pharaxonotha kirshii

Eucnemidae


False Click Beetles
Eucnemidae - unidentified sp. These are distinguished from click beetles by the angle of attachment between first and second segments of the antennae

Heteroceridae


Variegated Mud-loving Beetles
Heteroceridae - Heterocerus sp. Heteroceridae - Tropicus pusillus

Hydrophilidae


Water Scavenger Beetles
Hydrophilidae - Chaetarthria pallida Hydrophilidae - Tropisternus lateralis ssp. nimbatus I would never have guessed the Chaetarthria was in this family.

Laemophloeidae


Line Flat Bark Beetles
Laemophloeidae - Laemophloeus terminalis

Lampyridae


Lightning Beetles, Fireflies
Latridiidae - Photinus sp. Latridiidae - Photinus sp.

Latridiidae


Minute Brown Scavenger Beetles
Latridiidae - Melanophthalma sp. Latridiidae - Melanophthalma sp. Both images are likely the same species. The second one is included to show the insect in flight.

Melandryidae


False Darkling Beetles
Melandryidae - Osphya varians Melandryidae - Symphora flavicollis

Mycetophagidae


Hairy Fungus Beetles
Mycetophagidae - Litargus tetraspilotus Mycetophagidae - Typhaea stercorea

Nitidulidae


Sap-Feeding Beetles
Nitidulidae - Omosita nearctica

Oedemeridae


False Blister Beetles
Oedemeridae - unidentified Oedemeridae - Asclerini sp. Oedemeridae - Sparedrus aspersus

Ptinidae


Dethwatch, Spider, and Wood-borer Beetles
Ptinidae - Calymmaderus Ptinidae - Stegobium paniceum Ptinidae - Tricorynus

Scarabidae


Scarab Beetles
Scarabidae - Diplotaxis sp. Scarabidae - Diplotaxis sp. Scarabidae - Phyllophaga sp. Phyllophaga sp. are larger than Diplotaxis sp. Generally, if the size is over 12mm, it's Phyllophaga sp.
Scarabidae - Ataenius sp. Scarabidae - Cotinis nitida It's likely that several species of both Diplotaxis an Phyllophaga have observations, but they've not been identified to species, so only obviously different ones are shown.

Scirtidae


Marsh Beetles
Scirtidae - .Contacyphon variabilis Scirtidae - .Sacodes pulchella Scirtidae - .Sacodes thoracica

Scraptiidae


False Flower Beetles
Staphylinidae - Anaspis sp. Staphylinidae - Diclidia sp. Staphylinidae - Diclidia sp.

Staphylinidae


Rove Beetles
Staphylinidae - . Aleochara sp. Staphylinidae - . Lathrobiini sp. Staphylinidae - . Tachyporus sp.

Tenebrionidae


Rove Beetles
Tenebrionidae - Alleculina sp. Tenebrionidae - Alleculina sp. Tenebrionidae - Eleodes goryi
Tenebrionidae - Tribolium confusum

Trogidae


Hide Beetles
Trogidae - Omorgus suberosus

Lähettänyt victorengel victorengel, 25. toukokuuta 2020 23:30

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