Pleocomidae
Guides
Pleocoma badia
rain beetle
Pleocoma badia is a species of rain beetle in the family Pleocomidae, first described by Fall in 1917. It is found in North America and includes two recognized subspecies: P. b. badia and P. b. hirsuta. Rain beetles are notable for their emergence during rainfall events and fossorial (burrowing) lifestyle.
Pleocoma behrensii
rain beetle
Pleocoma behrensii is a species of rain beetle endemic to the Pacific Coast of North America. Rain beetles in this genus are known for their flightless females and their emergence during the first heavy autumn rains. The species belongs to a relict family with limited distribution and specialized ecological associations.
Pleocoma bicolor
rain beetle
Pleocoma bicolor is a species of rain beetle in the family Pleocomidae, described by Linsley in 1935. Rain beetles in this genus are known for emerging in response to rainfall events. The species is endemic to California.
Pleocoma blaisdelli
rain beetle
Pleocoma blaisdelli is a rain beetle in the family Pleocomidae, described by Linsley in 1938. It is one of approximately 30 species in the genus Pleocoma, all endemic to western North America. Rain beetles are named for their habit of emerging during autumn or winter rains to mate. The species is recorded from California. Like other Pleocoma, adults are sexually dimorphic and do not feed.
Pleocoma crinita
rain beetle
Pleocoma crinita is a species of rain beetle described by Linsley in 1938. It is one of approximately 30 species in the genus Pleocoma, a group of large, fossorial scarab beetles endemic to western North America. The species is known from Washington State and shares the family-wide trait of adult emergence triggered by rainfall.
Pleocoma dubitabilis
rain beetle
Pleocoma dubitabilis is a rain beetle species in the family Pleocomidae. It is known from North America and comprises two recognized subspecies: P. d. dubitabilis and P. d. leachi. The nominate subspecies has been documented as a pest of commercially grown Christmas trees, specifically feeding on Abies species.
Pleocoma hirticollis
rain beetle
Pleocoma hirticollis is a species of rain beetle in the family Pleocomidae, a group of scarab beetles endemic to western North America. The species is active during autumn and winter rains, emerging only when soil is saturated. Three subspecies are recognized: P. h. hirticollis, P. h. reflexa, and P. h. vandykei. Like other Pleocomidae, adults are sexually dimorphic and do not feed.
Pleocoma marquai
rain beetle
Pleocoma marquai is a species of rain beetle described by Hovore in 1972. It belongs to the family Pleocomidae, a small group of scarab beetles known for their emergence during autumn rains. The species is known from California and is one of approximately 30 species in the genus Pleocoma.
Pleocoma staff
rain beetle
Pleocoma staff is a species of rain beetle in the family Pleocomidae, described by Schaufuss in 1870. Rain beetles are a small, relict group of scarabaeoid beetles endemic to western North America. This species has been recorded from California and Utah.