Changes in the vertical distribution of 3rd instar larvae of Dasylepida sp. (Coleoptera: Scarabaeidae) in the soil of a sugar cane [Saccharum officinarum] field

Changes in the vertical distribution of 3rd instar larvae of Dasylepida sp. (Coleoptera : Scarabaeidae) were investigated in the soil of a sugar cane field after harvest on Miyako Island, Okinawa, Japan in 1999. In the field survey performed in mid-February lo mid-May, the mean number of 3rd instar...

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Bibliographic Details
Published inJapanese Journal of Applied Entomology and Zoology Vol. 45; no. 4; pp. 209 - 211
Main Authors Sadoyama, Y. (Okinawa-ken. Agricultural Experiment Station, Naha (Japan)), Nakamori, H
Format Journal Article
LanguageChinese
Japanese
Published JAPANESE SOCIETY OF APPLIED ENTOMOLOGY AND ZOOLOGY 01.01.2001
Subjects
BEHAVIOUR
Dasylepida sp
DEPTH
distribution
LARVAE
SACCHARUM OFFICINARUM
SCARABAEIDAE
sugar cane
UPLAND SOILS
white grub
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Summary:Changes in the vertical distribution of 3rd instar larvae of Dasylepida sp. (Coleoptera : Scarabaeidae) were investigated in the soil of a sugar cane field after harvest on Miyako Island, Okinawa, Japan in 1999. In the field survey performed in mid-February lo mid-May, the mean number of 3rd instar larvae within 20cm under the soil surface decreased gradually after late Match. Although about 70% of the 3rd instar larvae were captured within 20cm of soil on March 24, more than 70% of the 3rd instar larvae were found at deeper soil layers, 30-50cm, in July and August. Developmental stages other than 3rd instar larve were not found in this study.
Bibliography:H10
2002001903
ISSN:0021-4914
1347-6068
DOI:10.1303/jjaez.2001.209