Perarthrus linsleyi

(Knull, 1942)

Perarthrus linsleyi is a of longhorned beetle in the Cerambycidae, described by Knull in 1942. The species is associated with creosote bush (Larrea tridentata) in arid and semi-arid environments. feed on creosote bush flowers and mate on flowers and foliage. The species exhibits a mating system characterized by male-wide ranging search and absence of resource or mate defense.

Pronunciation

How to pronounce Perarthrus linsleyi: //pɛˈrɑr.θrəs ˈlɪnz.li.aɪ//

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Habitat

Creosote bush (Larrea tridentata) flowers and foliage; arid and semi-arid environments where creosote bush occurs.

Distribution

Middle America and North America, including Mexico and the United States. Specific range within these regions not explicitly documented in available sources.

Diet

Flowers of creosote bush (Larrea tridentata).

Host Associations

  • Larrea tridentata - food plant feed on flowers; mating occurs on flowers and foliage.

Behavior

Males move widely over the study area, much more frequently than females. Males actively search for females and mount and begin copulation attempts without preliminary courtship. Males do not engage in aggressive defense of females, creosote flowers, or creosote bushes. The exhibits a mating system where spatial distribution of food resource is the primary factor in mating system evolution.

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Sources and further reading