Can. Ent. 114: 337-348 (1982) The temporal and spatial arrival patterns of Ips plastographus maritimus and some of its important insect associates on freshly felled Pinus radiata within the native stands of California was studied. A total of 36 insect species was collected on sticky traps placed along tree boles for 85 days after felling. These species were placed in one of four chronological groups: (I) insects initially attacking the phloem-cambium region; (11) initial predators; (111) secondary xylophagous insects and secondary predators; (IV) parasites. Only four species showed distinct spatial arrival patterns along the tree bole.
ResumeLes patrons temporel et spatial d'arrivCe d'lps plastographus maritimus et de certains insectes associts sur du Pinus radiata fraichement abattu ont CtC suivis dans les boisCs indigknes de la Californie. Un total de 36 espkces d'insects ont ttC capturkes sur des pitges collants placts le long des troncs pendant 85 jours aprbs l'abattage. Ces esptces ont Ctt classifikes en quatre groupes chronologiques: (I) insectes attaquant initialement la rCgion du phlobme-cambium (11) prkdateurs primaires (111) xylophages secondaires et prkdateur secondaires (IV) parasites. Quatre espbces seulement ont montrC des patrons d'arrivte dCfinis le long du tronc des arbres.
THE CANADIAN ENTOMOLOGIST
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