Forest entomology . 148 ENTOMOLOGY. 6 mm. The alternating species is 6a Andricus noduli (Htg.), whichmakes galls in the woody portions of young shoots. 7. Aphilothrix corticis (Linn.) The galls of this species are found inserted in the young barkwhich is formed where the stem has been injured, or in the tenderbark which forms in the healing over process after a branch .hasbeen sawn off (fig. 141). Sometimes they may be found in clusters,.

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