Dicaelus furvus
Dejean, 1826
notched-mouthed ground beetle
Dicaelus furvus is a of in the . It belongs to the Dicaelus, commonly known as notched-mouthed ground beetles. The species occurs in North America, with confirmed records from the United States. Two are recognized: Dicaelus furvus furvus (Dejean, 1826) and Dicaelus furvus carinatus (Dejean, 1831). Like other members of its genus, it is a predatory typically found in terrestrial .
Pronunciation
How to pronounce Dicaelus furvus: /daɪˈsiːləs ˈfɜːrvəs/
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Identification
Members of the Dicaelus can be distinguished from similar by the notched or (upper lip), which gives the group its . Dicaelus furvus specifically may be separated from by subtle differences in elytral and body proportions, though precise diagnostic features require examination of . The has with longer than wide, and exposed forward-directed typical of predatory .
Habitat
Terrestrial in North America. Specific microhabitat preferences are not well documented, but are often found in wooded areas, under debris, or in soil crevices.
Distribution
North America; confirmed present in the United States.
Behavior
in the Dicaelus are generally fast-moving, . They are capable of rapid running when disturbed, characteristic of many .
Ecological Role
Predatory , likely contributing to control of other in its .
Similar Taxa
- Dicaelus dilatatusSimilar notched-mouthed in the same , differing in body proportions and elytral
- Other Dicaelus species share the diagnostic notched but differ in subtle morphological features requiring detailed examination
- Darkling beetles (Tenebrionidae)Superficially similar ground-dwelling , but distinguished by bead-like and concealed