Pear

Guides

• Anthocoris nemorum

  Common Flowerbug

  Anthocoris nemorum is a predatory anthocorid bug native to Europe, commonly known as the common flowerbug. It is an important biological control agent in orchards and agricultural systems, preying on aphids, psyllids, mites, and other small arthropods. The species exhibits distinct oviposition preferences, laying eggs primarily on apple leaves near leaf margins, and shows preference for damaged leaves over healthy ones. Multiple generations occur annually, with adults overwintering and reproducing in spring.

  predatorbiocontrolorchardanthocoridaphid-predatorEuropeoviposition-behaviorsearching-behaviordeciduous-treesmultiple-generationsoverwintering-adultintraguild-predationapplepeargreenhouse-whiteflysycamore-aphidpear-psyllaScotlandKentBelgium

• Cydia pomonella

  Codling Moth

  Cydia pomonella is a tortricid moth and major global pest of apple and pear orchards. The caterpillar, commonly known as the 'worm in the apple,' bores into fruit and prevents normal development, causing premature ripening and crop loss. Adults are attracted to pheromone traps with limited plume reach, requiring multiple traps for reliable monitoring. The species has been detected via environmental DNA in yard waste shipments, highlighting its potential for human-mediated dispersal.

  pestagriculturalorchardapplepearglobal-distributioninvasive

• Marmara elotella

  Apple Barkminer

  Marmara elotella, commonly known as the apple barkminer, is a microlepidopteran moth in the family Gracillariidae. The species is known from five eastern US states and is associated with apple and pear cultivation. Its larvae are specialized twig miners that feed as sap-feeders within host plant tissues.

  mothLepidopteraGracillariidaepestmining-insectapplepearRosaceaeNorth-Americatwig-miner

• Venturia

  scab fungi

  Venturia is a genus of ascomycete fungi in the family Venturiaceae, comprising approximately 58 species of plant pathogens that cause scab diseases on economically important Rosaceae crops. The genus includes notable species such as V. inaequalis (apple scab), V. pirina (pear scab), V. aucupariae (sorbus scab), and V. asperata (apple pathogen). These fungi are characterized by their ability to infect leaves, fruits, and twigs, producing characteristic black lesions that reduce crop quality and yield. Genome sequencing has revealed significant transposable element content and population structure variation across host-associated lineages.

  phytopathogenRosaceaescab-diseaseapplepeargenomicstransposable-elementspopulation-geneticsVenturiaceaeDothideomycetes