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Pterostichus madidus, commonly known as the black clock beetle, is a species of ground beetle native to Europe. [1] [2] The black clock beetle typically grows between 14–20mm in length, and is black in colouration, with legs that are usually red, reddish brown, or black. It can be found most abundantly in summer, and breeds during the autumn.
This species appears as a shield beetle, with an orange bottom, a big black stripe, a black joiner with two white quarter ovals and a small white oval. the head is round and the antennae are black with yellow tips. [3]
The shiny black elytra bear two oval red patches and the ventral surface of the beetle is reddish. There are other species of black-with-red-spots lady beetle with which this insect might be confused, these being Axion plagiatum , Chilocorus kuwanae , and Olla v-nigrum , however in Chilocorus orbus , the red patches are nearer the head than ...
Burying beetles or sexton beetles, genus Nicrophorus, are the best-known members of the family Silphidae (carrion beetles). Most of these beetles are black with red markings on the elytra (forewings). Burying beetles are true to their name—they bury the carcasses of small vertebrates such as birds and rodents as a food source for their larvae ...
One of the most common pleasing fungus beetles in Europe, T. bipustulata, is a black beetle with red spots which engages in autohaemorrhaging as a defensive behavior. [5] Molecular analysis suggests that Tritoma is paraphyletic, and might be best treated as two separate genera. [3]
Glischrochilus are among the largest of the nitulidid beetles, but they are still generally smaller in comparison to other beetles, averaging at only 5 millimetres (0.20 in) in length, with larger specimens at 12 mm (0.47 in) long. [3] Glischrochilus eggs are sausage-shaped and milky white. Eggs are laid during spring near decaying plant matter.
G. bicolor can be found under bark year-round. [2] The larvae resemble the larvae of actual bombardier beetles to an extent. Not much is known about them. Though they are not bombardier beetles themselves, they can still emit a foul odor (just not as bad as the beetles they mimic). [4]
All black specimen of Berberomeloe majalis, Portugal. It has a typical length around 5 cm (2 in.). Its large size and the bright red bands around its body make it unmistakable; its coloration is aposematic, reflecting its ability, in common with other oil or blister beetles in the family Meloidae, to squirt a caustic liquid if attacked. [1]