harlequin fly
... that the larvae of the harlequin fly are blood red due to haemoglobin?
... that the larvae of the <b id="mwCTY"><a href="./Chironomus_riparius" id="mwCTc" rel="mw:WikiLink" title="Chironomus riparius">harlequin fly</a></b> are blood red due to <a class="mw-redirect" href="./Haemoglobin" id="mwCTg" rel="mw:WikiLink" title="Haemoglobin">haemoglobin</a>?