( ( ( ( Ladybugs , ) ( also ( known ( as ( ladybird beetles ) ) ) ) ) , ) ( ( have ( ( a ( life cycle ) ) ( of ( ( ( four to ) six ) weeks ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Ladybugs)) (, ,) (VP (ADVP (RB also)) (VBN known) (PP (IN as) (NP (JJ ladybird) (NNS beetles)))) (, ,)) (VP (VBP have) (NP (NP (DT a) (NN life) (NN cycle)) (PP (IN of) (NP (QP (CD four) (TO to) (CD six)) (NNS weeks))))) (. .)))
Ladybugs, also known as ladybird beetles, have a life cycle of four to six weeks.
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (QP (CD four) (TO to) (CD six)) (NNS weeks)) (SBAR (S (VP (VBP are) (PP (IN in) (NP (NP (DT the) (NN life) (NN cycle)) (PP (IN of) (NP (NNS ladybugs)))))))))) (. .)))