( ( In ( ( the tropics ) ( of ( all continents ) ) ) ) ( there ( ( are ( ( ( ( stingless bees ) ( -LRB- ( Meliponinae -RRB- ) ) ) , ) ( ( some ( 500 species ) ) ( in all ) ) ) ) . ) ) )
(ROOT (S (PP (IN In) (NP (NP (DT the) (NNS tropics)) (PP (IN of) (NP (DT all) (NN continents))))) (NP (EX there)) (VP (VBP are) (NP (NP (NP (JJ stingless) (NNS bees)) (PRN (-LRB- -LRB-) (NP (NNP Meliponinae)) (-RRB- -RRB-))) (, ,) (NP (NP (DT some) (CD 500) (NNS species)) (PP (IN in) (NP (DT all)))))) (. .)))
In the tropics of all continents there are stingless bees (Meliponinae), some 500 species in all.
(ROOT (S (NP (NP (DT Some)) (PP (IN of) (NP (NP (DT the) (JJS greatest) (NNS concentrations)) (PP (IN of) (NP (NNS species)))))) (VP (VBP are) (VP (VBN found) (PP (IN in) (NP (DT the) (NNS tropics))))) (. .)))