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One of the most important limiting factors for diving beetle occurrence is the presence of fish, which predate on the beetles (mostly on larvae), compete for food, and change the structure of the habitat. The presence or absence of fish can also affect habitat use and habitat selection of dytiscids.
A Big-headed Ground Beetle with a mealworm, which it would later eat. They're willing to eat a variety of invertebrates. Scarites subterraneus , known generally as the big-headed ground beetle or (tunneling large) pedunculate ground beetle , is a species of ground beetle in the family Carabidae .
Semi-, numerical prefix meaning "half" and sulcatus meaning “grooved” or "furrowed", which is in reference to the parallel grooves underneath the body of the beetle. It is commonly known as Brown-bellied Great Diving Beetle, [3] or Black bellied Great Diving Beetle. [4] [5] This is due to the dark colour of the under bellies of the beetles. [5]
This beetle is similar in structure to the better-known and widespread D. marginalis, but it is clearly larger and especially wider. The species is usually easy to recognize by the extensions on both sides of the shield. The elytra and the pronotum are dark brown with yellow sides. The head is black, while the legs are yellow. The male's wing ...
Melanophila acuminata, known generally as the black fire beetle or fire bug, is a species of metallic wood-boring beetle in the family Buprestidae. It is found in the Caribbean , Europe and Northern Asia (excluding China), Central America, North America, and Southern Asia.
Eleodes (commonly known as pinacate beetles or desert stink beetles) is a genus of darkling beetles, in the family Tenebrionidae. [1] They are endemic to western North America ranging from southern Canada to central Mexico with many species found along the Mexico-United States border. [2] Some species have been introduced to Colombia.
Large paper nest, upside down pear shaped, hanging from branches and eaves; also barns and attics. Some yellowjacket species nest in the ground. Very large paper nest in hollow trees, sheltered positions. Has a brown, protective layer when the nest is in an unsheltered position. Also found in barns, attics, hollow walls and abandoned bee hives.
Heteronychus arator (hetero+onychus = 'variable claw', arator = 'ploughman') is a species of beetle in the subfamily Dynastinae (the rhinoceros beetles). It is commonly called African black beetle or black lawn beetle. [1] It is native to Africa and it is an introduced species in Australia, Norfolk Island and the North Island of New Zealand. [2]