▁is ▁able ▁to ▁rotate ▁ 9 0 ° ▁in ▁less ▁than ▁ 5 0 ▁mill iseconds . ▁ ▁Character istics ▁of ▁D ros oph ila ▁flight ▁may ▁be ▁domin ated ▁by ▁the ▁vis cos ity ▁of ▁the ▁air , ▁rather ▁than ▁the ▁in ert ia ▁of ▁the ▁fly ▁body , ▁but ▁the ▁opposite ▁case ▁with ▁in ert ia ▁as ▁the ▁dominant ▁force ▁may ▁occur . ▁However , ▁subsequent ▁work ▁showed ▁that ▁while ▁the ▁vis c ous ▁effects ▁on ▁the ▁insect ▁body ▁during ▁flight ▁may ▁be ▁neg lig ible , ▁the ▁aer od ynamic ▁forces ▁on ▁the ▁wings ▁themselves ▁actually ▁cause ▁fruit ▁f lies ' ▁turns ▁to ▁be ▁d amp ed ▁vis c ously . ▁ ▁Mis con ception s ▁D ros oph ila ▁is ▁sometimes ▁referred ▁to ▁as ▁a ▁p est ▁due ▁to ▁its ▁t endency ▁to ▁live ▁in ▁human ▁settlement s , ▁where ▁fer ment ing ▁fruit ▁is ▁found . ▁F lies ▁may ▁collect ▁in ▁homes , ▁restaur ants , ▁stores , ▁and ▁other ▁locations . ▁However , ▁because ▁D ros oph ila ▁do ▁not ▁transmit ▁human ▁disease ▁and ▁are ▁essentially ▁har ml ess , ▁they ▁do ▁not ▁ful fill ▁the ▁criteria ▁to ▁be ▁class ified ▁as ▁a ▁p est . ▁ ▁The ▁name ▁and ▁behavior ▁of ▁this ▁species ▁of ▁fly ▁has ▁led ▁to ▁the ▁mis con ception ▁that ▁it ▁is ▁a ▁bi ological ▁security ▁risk ▁in ▁Australia . ▁While ▁other ▁" f ruit ▁fly " ▁species ▁do ▁pose ▁a ▁risk , ▁the ▁D . ▁mel an og aster ▁is ▁attract ed