Ant-associated-beetle

Guides

• Cremastocheilus knochii

  Cremastocheilus knochii is a species of myrmecophilous scarab beetle in the family Scarabaeidae. As a member of the genus Cremastocheilus, commonly known as anteater scarabs, it is expected to exhibit the specialized adaptations characteristic of this group: obligate association with ant colonies, predatory feeding on ant brood, and morphological modifications for survival within hostile ant nests. The species is one of approximately 35 recognized Cremastocheilus species in North America north of Mexico.

  ColeopteraScarabaeidaeCremastocheilusmyrmecophileanteater-scarabant-associated-beetle

• Ctenisodes abruptus

  Ctenisodes abruptus is a species of rove beetle in the subfamily Pselaphinae, a group of small, often ant-associated beetles. The species was described by Casey in 1893. It belongs to the tribe Ctenistini, characterized by specialized morphological adaptations. Records indicate presence in Arizona, USA.

  PselaphinaeCtenistiniArizona-endemicrove-beetleant-associated-beetle

• Poecilocrypticus formicophilus

  Adventive Ant-loving Teneb

  Poecilocrypticus formicophilus is a small tenebrionid beetle native to Europe, where it has been recorded in Belgium. The species has been introduced to North America and is now established across the conterminous United States. Its common name reflects its association with ant colonies, a relationship characteristic of the genus. The species is frequently documented on iNaturalist, suggesting it is readily encountered by observers.

  myrmecophilousintroduced-speciesEurope-nativeNorth-America-introducedTenebrionidaeColeopteraant-associated-beetle