( ( ( ( ( There ( is ( no sting ) ) ) , ) but ) ( ( the ant ) ( can ( ( ( ( ( bite and ) then ) ( curve ( its ( abdomen forwards ) ) ) ) and ) ( ( secrete ( formic acid ) ) ( onto ( the wound ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (EX There)) (VP (VBZ is) (ADJP (RB no) (JJ sting)))) (, ,) (CC but) (S (NP (DT the) (NN ant)) (VP (MD can) (VP (VP (VP (VB bite)) (CC and) (RB then) (VP (NN curve) (NP (PRP$ its) (NN abdomen) (NN forwards)))) (CC and) (VP (VB secrete) (NP (JJ formic) (NN acid)) (PP (IN onto) (NP (DT the) (NN wound))))))) (. .)))
There is no sting, but the ant can bite and then curve its abdomen forwards and secrete formic acid onto the wound.
(ROOT (S (NP (JJ Formic) (NN acid)) (VP (VBZ is) (VP (VBN found) (PP (IN in) (NP (NP (DT the) (NNS secretions)) (PP (IN of) (NP (JJ stinging) (NNS ants))))))) (. .)))