hypophloeodal
or hy·po·phloe·o·dic
[ hahy-puh-flee-uh-dl or hahy-puh-flee-uh-dik; hip-uh- ]
/ ˌhaɪ pəˈfli ə dl or ˌhaɪ pəˈfli ə dɪk; ˌhɪp ə- /
adjective
living or growing beneath bark, as insect larvae.
Also
hy·po·phloe·ous
[hahy-puh-flee-uh s, hip-uh-] /ˌhaɪ pəˈfli əs, ˌhɪp ə-/.