Answer:

biters

AnswerCrossword Clue
BITERSBlack flies, notably
BITERSMidges and mosquitoes
BITERSBad dogs, at times
BITERSAttack dogs
BITERSMuzzle wearers, one hopes
BITERSVampires at work
BITERSFlies, fleas et al.
BITERSMuzzled dogs, e.g.
BITERSIncisors, e.g.
BITERSMosquitos, e.g.
BITERSNail-.. (tense situations)
BITERSBad dogs
BITERSHungry mosquitoes.
BITERSMosquitoes.
BITERSNon-barking dogs.
BITERSDogs of a kind.
BITERSSome dogs
BITERSMan's nonfriends
BITERSPets feared by postmen
BITERSDangerous dogs
BITERSInsect pests
BITERSRats and fleas, among others
BITERSNail-... (tense situations)
BITERSPernicious pets
BITERSMean dogs