J Pest Sci (2018) 91:873–886
Chemical composition and fumigant activity of essential
oils from six plant families against Sitophilus oryzae (Col:
· Vasiliki Antonopoulou
· Anthi Vlassi
· Spyridon Antonatos
· Dimitrios P. Papachristos
· Olga Tzakou
Received: 12 June 2017 / Revised: 3 October 2017 / Accepted: 6 November 2017 / Published online: 9 November 2017
© Springer-Verlag GmbH Germany, part of Springer Nature 2017
tested exhibited moderate to low toxicities (LC
37.9 μL/L air), while those of C. coggygria and S. micro-
phylla did not exhibit any noticeable activity. Our results
indicate that some essential oils, and in particular those of T.
capitata and S. pomifera subsp. calycina might be promising
fumigants for the control of important pests of stored grain
such as the rice weevil S. oryzae.
Keywords Essential oils · Toxicity · Stored products ·
The fumigant activity of essential oils has received high
attention as potential candidates to provide protection to
stored products from insects.
The main goal of the present study was the chemical
analysis and evaluation of the fumigant toxicity against
the adults of Sitophilus oryzae of sixteen essential oils.
Essential oils rich in oxygenated monoterpenes were
more toxic compared to those rich in monoterpene
hydrocarbons, whereas essential oils rich in sesquiter-
penes (both oxygenated and hydrocarbons) were almost
Our ﬁndings indicate that the essential oils of Thymbra
capitata and Salvia pomifera subsp. calycina might be
promising fumigants for the control of S. oryzae.
Insect pests of stored products present a serious threat
to stored food commodities, causing quantitative and
Abstract Within the framework of ﬁnding new fumigants,
less toxic and environmentally friendly, in comparison with
conventional fumigants, natural products and essential oils
are considered to be alternative sources of potentially active
compounds. In this context, the aim of the present study was
the chemical analysis and the evaluation of fumigant toxic-
ity against the adults of rice weevil Sitophylus oryzae of
sixteen essential oils obtained from fourteen plant species.
The essential oils of the species Apium nodiﬂorum, Bupleu-
rum fruticosum, Crithmum maritimum, Liquidambar orien-
talis and Laurus azorica consisted mainly of monoterpene
hydrocarbons. Oxygenated monoterpenes were the prevail-
ing group of compounds in the essential oils of Laurus nobi-
lis, Myrtus communis, Salvia fruticosa S. pomifera subsp.
calycina, S. oﬃcinalis and Thymbra capitata. The essen-
tial oils of Cotinus coggygria, S. microphylla and Teucrium
capitatum were rich in sesquiterpenes. The most active
essential oils were those of T. capitata (LC
= 3.4 μL/L
air) and S. pomifera subsp. calycina (LC
= 4.4 μL/L air)
against S. oryzae adults. The essential oils of S. fruticosa, L.
nobilis and S. oﬃcinalis were also found to be highly toxic
= 7.4–15.5 μL/L air). Most of the other essential oils
Communicated by M. B. Isman.
* Dimitrios P. Papachristos
* Olga Tzakou
Department of Pharmacognosy and Chemistry of Natural
Products, School of Pharmacy, University of Athens,
Panepistimioupoli Zographou, 157 71 Athens, Greece
Department of Entomology and Agricultural Zoology,
Benaki Phytopathological Institute, 8 S. Delta Str.,
14561 Kiﬁssia Athens, Greece