Abstract：
:TheMaladera matrida beetle (Coleoptera, Scarabaeidae, Melolonthinae), a relatively new species to science, was first identified in Israel in 1983. In the course of field observations it was found that adultM. matrida beetles emerged from the soil at sunset to feed and mate. During the first 20 min of flight, most of the beetles were males. The females emerged shortly afterwards, and aggregations numbering 20-30 individuals with equal proportions of males and females were eventually formed on peanut plants. Laboratory olfactometer bioassays showed that peanut leaves (food) attracted both males and females. Field-trapping experiments and olfactometer studies showed thatM. matrida beetles were highly attracted by live virgin females in the presence of food (cut-up peanut leaves). Another set of field trapping experiments indicated that airborne volatiles produced by live virgin females plus food had the same attracting ability as live virgin females plus food. The attraction exerted by the combination of live virgin females and peanut leave volatiles suggests a synergism effect. Accordingly, we propose a two-stage mechanism of chemical communication in theM. matrida beetles: first, the males cause mechanical damage to the host plant to attract both sexes; later, the females emit attractants (sex pheromone) while eating or shortly thereafter.
journal_name
J Chem Ecoljournal_title
Journal of chemical ecologyauthors
Yarden G,Shani Adoi
10.1007/BF02036200subject
Has Abstractpub_date
1994-10-01 00:00:00pages
2673-85issue
10eissn
0098-0331issn
1573-1561journal_volume
20pub_type
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journal_title：Journal of chemical ecology
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pub_type： 杂志文章
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pub_type： 杂志文章
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journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/BF01021775
更新日期：1990-02-01 00:00:00
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更新日期：2012-09-01 00:00:00
