▁fly ▁lar va ▁and ▁some ▁individuals ▁have ▁been ▁found ▁to ▁contain ▁ 1 2 ▁ph or id ▁lar va e . ▁The ▁sub family ▁Micro d ont inae ▁contains ▁slightly ▁more ▁than ▁ 4 0 0 ▁species ▁of ▁hover f lies ▁( family ▁S yr ph idae ) ▁and , ▁while ▁diverse , ▁these ▁species ▁share ▁several ▁characteristics ▁by ▁which ▁they ▁differ ▁from ▁other ▁s yr ph ids . ▁The ▁Micro d ont inae ▁are ▁my rm ec oph iles , ▁meaning ▁they ▁live ▁in ▁the ▁n ests ▁of ▁an ts . ▁Lar val ▁Micro d ont inae ▁are ▁sc av engers ▁or ▁pred ators ▁in ▁ant ▁n ests . ▁ ▁Ad ult s ▁of ▁many ▁species ▁of ▁the ▁genus ▁Beng alia ▁are ▁kle ptop ar as it ic ▁on ▁an ts ▁and ▁will ▁sn atch ▁food ▁and ▁pup ae ▁being ▁carried ▁by ▁an ts ▁or ▁feed ▁on ▁wing ed ▁term ites . ▁ ▁Sw ar ms ▁Sw arm - based ▁m ating ▁systems ▁typically ▁involve ▁males ▁flying ▁in ▁sw ar ms ▁to ▁attract ▁pat rolling ▁females . ▁Such ▁sw ar ms ▁are ▁often ▁of ▁immense ▁size . ▁Sm aller ▁sw ar ms ▁may ▁be ▁around ▁a ▁fixed ▁point ▁called ▁a ▁sw arm ▁marker . ▁Sw arm ing ▁occurs ▁in ▁Ch ir onom idae , ▁Bib ion idae ▁Pl atype z idae , ▁Lim oni idae , Th aum atom y ia ▁not ata , ▁Se ps is ▁ful gens , ▁Bib ion idae , ▁Pl atype z idae , ▁F anni idae