Answer:

FLEAS

Answer	Crossword Clue
FLEAS	Doggy denizens
FLEAS	Parasitic insects
FLEAS	Little itch causers

FLEAS	Dog bane
FLEAS	Pug's irritants
FLEAS	Pet collar targets
FLEAS	Circus performers
FLEAS	Peeves for pets
FLEAS	Leapers at kennels
FLEAS	Little leapers
FLEAS	Some circus performers

FLEAS	High jumpers
FLEAS	Pet parasites
FLEAS	Canine woes
FLEAS	Canine problems
FLEAS	Circus performers?
FLEAS	"My Dog Has ..."
FLEAS	Pug's problem
FLEAS	Boxer's bane

FLEAS	Tiny circus denizens
FLEAS	Tiny jumpers
FLEAS	Dog biters
FLEAS	Pet pesterers
FLEAS	Canine's bane
FLEAS	Bugs with bounce
FLEAS	"My dog has ..."
FLEAS	Tiny circus performers

FLEAS	Beagle's bane
FLEAS	Canine pests
FLEAS	Tiny biters
FLEAS	Dog riders
FLEAS	Pests on pets
FLEAS	Beagle biters
FLEAS	Pet pests
FLEAS	Dog pests

FLEAS	What some collars ward off
FLEAS	Pet's pests
FLEAS	Ukulele-tuning word
FLEAS	Tenants that come with pets?
FLEAS	Circus performers.

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.