Pityogenes bidentatus
or
Pityogenes quadridens
galleries in Scotch pine wood. Both species compete for bark on branches of Scotch pine and males are polygamous since they have several females (in this case 5) in the nuptial chamber.
Images © 2000 by John A. Byers,
Chemical Ecology
.
Pityogenes bidentatus or Pityogenes quadridens galleries in Scotch pine wood. Both species compete
for bark on branches of Scotch pine and males are polygamous since they have several females (in this case 5)
in the nuptial chamber.