direct flight
... that unlike most other insects, dragonflies have direct flight, the muscles being attached directly to the wing bases ?
... that unlike most other insects, dragonflies have <b id="mwCH0"><a href="./Insect_flight" id="mwCH4" rel="mw:WikiLink" title="Insect flight">direct flight</a></b>, the muscles being attached directly to the wing bases <i id="mwCH8">(pictured)</i>?