foam nest of the brown willow spittlebug, weidenschaumzikade, aphrophora salicina

cicada aphrophora salicina willow aphrophoridae spittlebug weidenschaumzikade foam nest braune salix tree twigs branches leaves froghopper cuckoo spit oviposition foamy sap larva grub animal fauna wildlife closeup pest parasite insect nature plant leaf green entomology