ing . ▁They ▁have ▁a ▁typical ▁body ▁shape ▁with ▁rec ur ved ▁h ind parts ; ▁the ▁an us ▁opens ▁on ▁the ▁unders ide . ▁Ex cept ▁in ▁O xy c ras ped us , ▁the ▁dark ▁fore head ▁is ▁border ed ▁by ▁a ▁r idge ▁towards ▁the ▁back , ▁where ▁the ▁cut icle ▁attach es , ▁and ▁the ▁body ▁is ▁wid est ▁in ▁the ▁middle ▁of ▁the ▁ab d omen . ▁And ▁of ▁course , ▁O xy c ory n ini ▁lar va e ▁differ ▁from ▁other ▁bel ids ▁in ▁that ▁their ▁lar va e ▁do ▁not ▁feed ▁on ▁dead ▁or ▁decay ing ▁wood ▁but ▁on ▁flowers ▁and ▁f ruits . ▁ ▁System at ics ▁The ▁O xy c ory n ini ▁are ▁tent atively ▁divided ▁into ▁ 3 ▁subt rib es : ▁ ▁O xy c ras ped ina ▁ ▁O xy c ras ped us ▁Al loc ory n ina ▁ ▁Par alloc ory n us ▁ ▁Rh op al ot ria ▁O xy c ory n ina ▁ ▁H yd nor ob ius ▁ ▁Al lo xy c ory n us ▁ ▁O xy c ory n us ▁ ▁Bal an op hor ob ius ▁ ▁However , ▁most ▁of ▁this ▁sub div ision , ▁in ▁particular ▁the ▁mon oph y ly ▁of ▁the ▁O xy c ory n ina , ▁is ▁by ▁no ▁means ▁reli ably ▁established . ▁O xy c ras ped us ▁seems ▁to ▁be ▁simply ▁a ▁very ▁bas al ▁genus . ▁What ▁seems ▁probable ▁is