Warmth is the opposite of Cold. Cold is the opposite of Friendly. 
you are likely to find Insect in/at/on Ground. Ground is a synonym of Build. Bold is etymologically related to Build. 
Warmth <--Antonym--> Cold <--Antonym--> Friendly 
Insect --AtLocation--> Ground <--Synonym--> Build <--EtymologicallyRelatedTo-- Bold 