Answer: ants

AnswerCrossword Clue
ANTSWhat people look like, from the observation deck
ANTSJulian Hurley book
ANTSMound builders
ANTSPantry pests
ANTSPicnic crashers
ANTSSymbols of industry
ANTSTiny colonists
ANTSPants denizens
ANTSRaid targets
ANTSSoldiers, e.g.
ANTSAardvark's snack
ANTSAdam and Atom
ANTSSource for escamoles in Mexican cuisine
ANTSBusy critters
ANTSFarm workers
ANTSPicnic hamperers
ANTSPicnic problem
ANTSQueen's retinue, perhaps
ANTSWee workers
ANTSColony members
antscommon small insect that lives in organized groups
ANTSCrawling colonists
ANTSPicnic pests
ANTSBusy insects
ANTSHill residents
ANTSSocial insects
ANTSWord with red or army
ANTS"Them!" in the 1954 film
ANTSArmy members
ANTSBarbecue buttinskies
ANTSColony builders
ANTSLunch for an aardvark
ANTSHill dwellers
ANTSHousehold pests
ANTSKitchen pests
ANTSPesky pests
ANTSPicnic spoilers
ANTSRed army?
ANTSUninvited picnickers
ANTS.. in one's pants