Final published version
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Multichemical defense of plant bug Hotea gambiae (Westwood) (Heteroptera Scutelleridae) : (E)-2-hexenol from abdominal gland in adults. / Hamilton, J. G.C.; Gough, A. J.E.; Staddon, B. W. et al.
In: Journal of Chemical Ecology, Vol. 11, No. 10, 01.10.1985, p. 1399-1409.Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Multichemical defense of plant bug Hotea gambiae (Westwood) (Heteroptera Scutelleridae)
T2 - (E)-2-hexenol from abdominal gland in adults
AU - Hamilton, J. G.C.
AU - Gough, A. J.E.
AU - Staddon, B. W.
AU - Games, D. E.
PY - 1985/10/1
Y1 - 1985/10/1
N2 - The occurrence in Hotea gambia adults of a sexual dimorphism in the divided dorsal abdominal scent gland (dg 1)is reported. Counts made of ducted secretory units indicate that female dg 1 regresses at the end of larval development, unlike male dg 1 which undergoes no regression. Other dorsal abdominal scent glands (dg 2, dg 3) which function in the larvae cease to function during the imaginai moult. From gas chromatographic, mass spectrometric and [1H]NMR data, the identity of the secretion from male adult dg 1 was established as virtually pure (E)-2-hexenol (a 100-mg mature male adult contains 0.5-1 μl of secretion). 2-Hexenol was also found in the reduced female adult dg 1. In the sexually monomorphic metathoracic scent gland, (E)-2-alkenals (C6, C8) and (E)-4-oxohex-2-enal, together with monoterpenes (β-pinene, limonene) but not 2-hexenol, were identified. The vapor of (E)-2-hexenol is repellent to both sexes of Hotea adults and toxic to blowfly (Calliphora) eggs.
AB - The occurrence in Hotea gambia adults of a sexual dimorphism in the divided dorsal abdominal scent gland (dg 1)is reported. Counts made of ducted secretory units indicate that female dg 1 regresses at the end of larval development, unlike male dg 1 which undergoes no regression. Other dorsal abdominal scent glands (dg 2, dg 3) which function in the larvae cease to function during the imaginai moult. From gas chromatographic, mass spectrometric and [1H]NMR data, the identity of the secretion from male adult dg 1 was established as virtually pure (E)-2-hexenol (a 100-mg mature male adult contains 0.5-1 μl of secretion). 2-Hexenol was also found in the reduced female adult dg 1. In the sexually monomorphic metathoracic scent gland, (E)-2-alkenals (C6, C8) and (E)-4-oxohex-2-enal, together with monoterpenes (β-pinene, limonene) but not 2-hexenol, were identified. The vapor of (E)-2-hexenol is repellent to both sexes of Hotea adults and toxic to blowfly (Calliphora) eggs.
KW - β-pinene
KW - (E)-2-hexenol
KW - 4-oxohex-2-enal
KW - Calliphora
KW - Calliphoridae
KW - defensive secretion
KW - Diptera
KW - feeding
KW - Heteroptera
KW - hex-2-enal
KW - Hotea gambiae
KW - limonene
KW - oct-2-enal
KW - ovicide
KW - pheromone
KW - repellent
KW - Scent gland
KW - Scutelleridae
KW - sex dimorphism
U2 - 10.1007/BF01012140
DO - 10.1007/BF01012140
M3 - Journal article
AN - SCOPUS:0000547788
VL - 11
SP - 1399
EP - 1409
JO - Journal of Chemical Ecology
JF - Journal of Chemical Ecology
SN - 0098-0331
IS - 10
ER -