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ENTOMOFAUNA OF THE KURIL
ISLANDS

Figure 13. Bark beetle burrows.
1 - Scolytus trispinosus Strohm. breeding burrow and supplementary feeding burrows; 2 - disposition of burrows in Hylesinus elatus Niiji. nest; 3 - Hyorrhynchus lewisi Blandf. burrows; 4 - Polygraphus nigrielytris Niiji. burrows; 5 - P. ssiori Niiji. burrows; 6 - Cryphalus exiguus Blandf.; 7 - Eocryphalus zachvatkini Krivol. nuptial chamber and breeding burrow; 8 - Dryocoetes aceris Krivol. nest with well developed larval burrows; 9 - Ips typographus f. japonicus Niiji. supplementary feeding burrows.
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Copyright © University of Washington Fish Collection. This webpage last updated: 10 March 1999.