Lasiochilidae

Definition

A family of minute predatory true bugs (Hemiptera) in the infraorder Cimicomorpha, alternatively treated as the subfamily Lasiochilinae within Anthocoridae (minute pirate bugs). Members are typically small, oval to elongate-oval bugs with reduced wing venation, found predominantly in tropical and subtropical regions where they inhabit leaf litter, decaying vegetation, and other humid microhabitats. The group exhibits highest diversity in the Neotropics. As with other anthocoroid bugs, lasiochilids are generalist predators on small arthropods and arthropod eggs, contributing to biological control in agroecosystems and natural decomposition habitats.

Etymology

From Lasiochilus (type genus, from Greek lasios 'hairy' + cheilos 'lip') + -idae (family suffix).

Example

Lasiochilidae such as Lasiochilus pallidulus are frequently recovered in Berlese funnel extractions of tropical leaf litter, where they prey on springtails, mites, and other microarthropods.

Synonyms

• Lasiochilinae (when treated as subfamily of Anthocoridae)

Related Terms

• Anthocoridae
• Cimicomorpha
• minute pirate bug
• predatory bug
• leaf litter fauna
• Biological control

Usage Notes

Taxonomic rank remains unsettled: GBIF and some authorities recognize Lasiochilidae at family rank, while others (e.g., traditional classifications) place these taxa as Lasiochilinae within Anthocoridae. The group shares the general 'minute pirate bug' morphology—small size, oval body, and raptorial forelegs—but lacks the distinctive cuneus and embolium of typical Anthocoridae sensu stricto. When encountered in ecological surveys, specimens are often recorded simply as 'Anthocoridae' unless dissected or sequenced.