Collops

Erichson, 1840

soft-winged flower beetles

Species Guides

Collops balteatus(Red Cross Beetle)
Collops bipunctatus(Two-Spotted Melyrid)
Collops confluens(convergent collops beetle)
Collops cribrosus(Collops beetle)
Collops crusoe
Collops dux
Collops flavicinctus
Collops grandis
Collops granellus

Collops is a of soft-winged flower beetles in the Melyridae, containing at least 20 described . These beetles are recognized as beneficial in agricultural systems, where they feed on pest insects including aphids and plant bug . The genus has been studied extensively for its role in , particularly in cotton and alfalfa systems in the southwestern United States. Collops beetles are frequently found on flowering plants where they hunt prey and may also utilize extrafloral .

Collops quadrimaculatus by (c) crseaquist, some rights reserved (CC BY), uploaded by crseaquist. Used under a CC-BY license.

Collops by (c) crseaquist, some rights reserved (CC BY), uploaded by crseaquist. Used under a CC-BY license.

Collops by (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda. Used under a CC-BY license.

Pronunciation

How to pronounce Collops: /ˈkɒl.ɒps/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Images

Habitat

Found in a variety of including agricultural fields, grasslands, and disturbed areas with flowering vegetation. Frequently associated with sunflowers (Helianthus spp.) and other plants bearing extrafloral . In the southwestern United States, collected from Gutierrezia sarothrae (broom snakeweed) and other blooming plants in arid and semi-arid regions.

Distribution

North America; recorded from Arizona and other southwestern U.S. states, with distribution records also from Vermont. The occurs across diverse regions from the Great Plains to western mountain states.

Diet

Predatory; feeds on pest insects including spotted alfalfa aphid and western tarnished plant bug (Lygus hesperus) . Has been observed as a of aphids and other small arthropods in agricultural systems. Utilizes extrafloral on sunflowers and other plants as supplementary food sources.

Behavior

Active on flowering plants; has been observed patrolling flowers for prey. In feeding-choice experiments, Collops vittatus showed preference for exposed over concealed eggs, demonstrating active foraging . activity patterns unknown; presence on flowers well documented.

Ecological Role

Important agent in agricultural . Listed among natural enemies in cotton programs alongside lady beetles, lacewings, and other predatory insects. Contributes to suppression of and reduction of plant bug survival through .

Human Relevance

Valued as beneficial insect in () programs for cotton, alfalfa, and other crops. Conservation of Collops is encouraged through reduced use and preservation. Used in research on -prey interactions and development of immunomarking techniques for gut content analysis.

Similar Taxa

MalachiusBoth are soft-winged flower beetles in Melyridae with similar general appearance and flower-visiting ; Collops distinguished by specific taxonomic placement in tribe Malachiini and documented predatory habits in agricultural systems

More Details

Research significance

Collops vittatus has been used as a model organism in developing ELISA-based gut content analysis methods for detecting stage-specific , advancing techniques for studying feeding

Agricultural importance

Explicitly mentioned in Texas cotton guidelines as one of the natural enemies whose conservation helps maintain pest suppression, alongside assassin bugs, big-eyed bugs, damsel bugs, and lady beetles