( ( ( ( ( ( A ( complete ( life cycle ) ) ) ( from ( egg ( to adult ) ) ) ) ( requires ( ( ( four to ) six ) weeks ) ) ) and ) ( there ( are ( ( several ( overlapping generations ) ) ( during ( the summer ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (DT A) (JJ complete) (NN life) (NN cycle)) (PP (IN from) (NP (NP (NN egg)) (PP (TO to) (NP (NN adult)))))) (VP (VBZ requires) (NP (QP (CD four) (TO to) (CD six)) (NNS weeks)))) (CC and) (S (NP (EX there)) (VP (VBP are) (NP (NP (JJ several) (VBG overlapping) (NNS generations)) (PP (IN during) (NP (DT the) (NN summer)))))) (. .)))
A complete life cycle from egg to adult requires four to six weeks and there are several overlapping generations during the summer.
(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)))))))))) (. .)))