Beetles of Imperial County
Carabidae
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Callisthenes affinis
det. P. Messer Algodones Dunes, south of Glamis, California Many of this species were present in late September after a summer of heavy monsoonal rains. |
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Callisthenes affinis
Algodones Dunes, south of Glamis, California |
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Callisthenes affinis
Algodones Dunes, south of Glamis, California Mating pair, with the female pursuing a Diplotaxis sp. |
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Calosoma parvicolle
Algodones Dunes, north of Glamis, California Several of this species were seen in the spring of 2017 after relatively heavy rains. |
Geotrupidae
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Bolbocerastes regalis
Male Yuha Desert, California Came to a black light after dark. |
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Bolbocerastes imperialis
Male det. R. McPeak Algodones Dunes, south of Glamis, California Came to a black light after dark. Palo Verde habitat. |
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Bolbocerastes imperialis
Male det. R. McPeak Algodones Dunes, California Came to a black light after dark. Palo Verde habitat. |
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Bolbocerastes imperialis
Male Algodones Dunes, California Came to a black light after dark. Palo Verde habitat. |
The sequence below is of a female Bolbocerastes imperialis digging into what appeared to be an already-constructed tunnel, with a blocked entrance. It had rained the weekend before and there was moist sand just below the surface. Algodones Dunes, California.
Scarabaeidae
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Phyllophaga mucorea
Algodones Dunes, California |
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Phyllophaga mucorea, mating pair
Algodones Dunes, north of Glamis, California In Dune Evening Primrose. |
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Polyphylla cavifrons
Male Picacho State Recreation Area, California |
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Pseudocotalpa sonorica
Algodones Dunes, California With hairy elytra. |
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Pseudocotalpa andrewsi
Algodones Dunes, California No hair visible on elytra. |
Pseudocotalpa andrewsi
Algodones Dunes, California
No hair visible on elytra.
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Megasoma sleeperi
Male Algodones Dunes, California NOTE: Please do not ask me to collect specimens of this species. Thank you. |
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Megasoma sleeperi
Male Algodones Dunes, California |
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Megasoma sleeperi
Female Algodones Dunes, California |
Buprestidae
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Acmaeodera pubiventris yumae
Algodones Dunes, California det. R. Westcott |
Trogossitidae
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Temnoscheila sp.
Algodones Dunes, California Came to a black light after dark. Palo Verde habitat. |
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Temnoscheila sp.
Algodones Dunes, California Feeding on Diplotaxis sp. These are predatory beetles and can deliver a good nip to a careless human being! |
Coccinelidae
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Seven-spotted Lady Beetle, Coccinella septempunctata
Algodones Dunes, California On Palo Verde blossom in the spring. |
Tenebrionidae
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Asbolus verrucosus
Algodones Dunes, California |
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Asbolus laevis
Algodones Dunes, California |
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Cryptoglossa muricata
Algodones Dunes, California |
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Edrotes arens
Algodones Dunes, California Found resting on the sand at dusk, along the edge of the dunes. |
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Embaphion depressum
Algodones Dunes, California |
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Embaphion depressum
Algodones Dunes, California |
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Embaphion depressum
Algodones Dunes, California |
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Stenomorpha hirsuta
Algodones Dunes, California This individual visited an oatmeal trail laid out in the dunes, on the eastern edge. |
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Stenomorpha confluens
Algodones Dunes, California This individual was wandering on the sand surface below Palo Verdes at night. These are often the conditions that I find this species in. |
Meloidae
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Cysteodemus armatus
South of Ocotillo, California Found clinging to a creosote bush in the spring. |
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Cysteodemus armatus
Algodones Dunes, California |
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Cystodemus armatus
Algodones Dunes, California Mating pair. |
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Eupompha elegans
Algodones Dunes, California This was one of quite a few seen in March, 2017, after a wet winter. |
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Lytta melaena
Algodones Dunes, California I have only seen this species at these dunes in 2005 and 2017, in both cases after unusually wet winter/spring seasons. |
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Lytta melaena mating pair
Algodones Dunes, California |
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Phodaga alticeps
Algodones Dunes, California This species seems to appear more reliably after wet winter/spring seasons. This is the defense display that it makes when feeling threatened. |
Cerambycidae
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Nothopleurus lobigenis
Male Winterhaven, California |
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Nothopleurus lobigenis Female Picacho State Recreation Area, California |
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Osmidus guttatus
Male Picacho State Recreation Area, California |
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Osmidus guttatus
Female Algodones Dunes, California Came to a black light after dark. Palo Verde habitat. |
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Susuacanga falli
Algodones Dunes, California This individual came to a black light near the edge of the dunes. |
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Achryson surinamum
Male Algodones Dunes, California Males and females were abundant at black light in mid-September. This was one of them. |
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Achryson surinamum
Female Algodones Dunes, California Males and females were abundant at black light in mid-September. This was one of them. |
Chrysomelidae
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Probably Altica sp. (flea beetle)
Algodones Dunes, California This individual and others found on and near the sand in March 2017. |
Curculionidae
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Apleurus albovestitus
Algodones Dunes, California This was one of quite a few that were out on the dunes in March of 2017, following heavy winter and spring rains. |
