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Adults feed on leaves and pollen of willow and poplar trees, especially Salix fragilis ('crack willow'). [ 2 ] [ 3 ] It is predated by the shieldbug Zicrona caerulea , several ladybird species and the larva of a hoverfly ( Parasyrphus sp.).
Nematus oligospilus, commonly known as the willow sawfly, is a species of sawfly in the family Tenthredinidae. Native to central and northern Europe and Asia, it was first recorded in South America in the 1980s and New Zealand in 1997, and has also been introduced to Australia, South Africa and Lesotho.
These minute insects, colloquially known as hoppers, are plant feeders that suck plant sap from grass, shrubs, or trees. Their hind legs are modified for jumping, and are covered with hairs that facilitate the spreading of a secretion over their bodies that acts as a water repellent and carrier of pheromones . [ 1 ]
This small (3.7–5 mm) beetle is similar in size and shape to other species of Phratora.Willow-feeding adults are typically metallic blue or green, but birch feeding populations are metallic dark brown [14] Larvae are dark to black and pupae are pale.
Like other Phratora species, P vitellinae adults overwinter under bark, within fissures of bark of trees found near summer host plants, or in leaf litter. [2] [5] In spring, after 8–10 months overwintering, adults disperse to host plants and consume new foliage for about a week before mating, [5] and in another week they lay their eggs on the ...
Matt Borden, a plant pathologist with Bartlett Tree Experts, looking at the leaves of a beech tree infected with beech leaf disease in Wildwood State Park in New York, on July 13, 2023.
Chrysomela vigintipunctata, or the spotted willow leaf beetle, is a species of broad-shouldered leaf beetle belonging to the family Chrysomelidae, subfamily Chrysomelinae. The length of the beetles varies from 6.5 to 9.2 mm. Both larvae and adults feed on the leaves of its host plants, especially Salicaceae species.
The tiny insect larva is attacking black locust trees. The tiny insect larva is attacking black locust trees. Skip to main content. Subscriptions; Animals. Business. Entertainment. Fitness. Food ...