Journal
JOURNAL OF CHEMICAL ECOLOGY
Volume 36, Issue 2, Pages 158-162Publisher
SPRINGER
DOI: 10.1007/s10886-010-9745-y
Keywords
Opiliones; Arachnida; Nemastomatidae; Chemical ecology; Exocrine secretions; Chemical defense
Categories
Funding
- Austrian Science Fund (FWF)
- Austrian Academy of Sciences (AW) [P21819-B16, 22852]
- Austrian Science Fund (FWF) [P21819] Funding Source: Austrian Science Fund (FWF)
- Austrian Science Fund (FWF) [P 21819] Funding Source: researchfish
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Extracts of Paranemastoma quadripunctatum (Opiliones, Dyspnoi, Nemastomatidae) contained seven components, all of which likely originated from the secretion of well-developed prosomal scent glands. The two main components (together accounting for more than 90% of the secretion) were identified as 1,4-naphthoquinone and 6-methyl-1,4-naphthoquinone. The minor components were 1,4-naphthalenediol, two methoxy-naphthoquinones (2-methoxy-1,4-naphthoquinone, and 2-methoxy-6-methyl-1,4-naphthoquinone) and two anthraquinones (2-methyl-9,10-anthraquinone and a dimethyl-9,10-anthraquinone). While some chemical data on scent gland secretions of the other suborders of Opiliones (Cyphophthalmi, palpatorean Eupnoi, and Laniatores) already exist, this is the first report on the scent gland chemistry in the Dyspnoi. Naphthoquinones are known scent gland exudates of Cyphophthalmi and certain Eupnoi, methoxy-naphthoquinones and anthraquinones are new for opilionid scent gland secretions.
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