NDLI: Detection of eggs in the living white grub beetle Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) by magnetic resonance imaging

Content Provider	Springer Nature Link
Author	Sekiyama, Yasuyo Horigane, Akemi K. Fujiwara Tsujii, Nao Yasui, Hiroe Ono, Hiroshi
Copyright Year	2013
Abstract	The use of magnetic resonance imaging (MRI) as a tool for in vivo detection of eggs in living Dasylepida ishigakiensis Niijima et Kinoshita, a major pest of sugarcane, was explored using females with an ovary at different developmental stages. MRI measurements of beetles were performed at 13 °C to avoid motion artifacts on the MR images. Spin–lattice relaxation time-weighted images allowed the observation of eggs at short acquisition times (2 min, 8 s). By comparing MR images with dissection data, criteria for determining mature eggs in MR images were a clear circular or ellipsoidal shape surrounded by a relatively bright rim and a size typically larger than 1.3 mm in the minor axis. Although small oocytes could not be detected, females with a developed or undeveloped ovary could be clearly distinguished based on MR images. The possibility of confusing the digestive tract as eggs in a female with a less developed ovary can be eliminated using a proton density weighted image.
Starting Page	423
Ending Page	429
Page Count	7
File Format	PDF
ISSN	00036862
Journal	Applied Entomology and Zoology
Volume Number	48
Issue Number	4
e-ISSN	1347605X
Language	English
Publisher	Springer Japan
Publisher Date	2013-07-11
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	MRI Dasylepida ishigakiensis T $_{1}$-weighted image T $_{2}$-weighted image Proton density-weighted image Entomology Agriculture Applied Ecology Plant Pathology Zoology Environmental Management
Content Type	Text
Resource Type	Article
Subject	Insect Science

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Infestation of the white grub Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) in hayfields on Miyako and Ishigaki Islands, Japan

Presence of allochronic populations of the white grub beetle Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) on Ishigaki Island, Japan

Vertical distribution of female adults and larval offspring of the white grub Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) in the soil of a sugarcane field on Miyako Island, Okinawa

Mating behavior of the scarab beetle Dasylepida ishigakiensis (Coleoptera: Scarabaeidae)

Observations of the migration of adult Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) from belowground to the soil surface and their reproductive status by MRI

Ground-surface application of pheromones through a mini-dispenser for mating disruption of the white grub beetle Dasylepida ishigakiensis (Coleoptera: Scarabaeidae)

Mating disruption for control of the white grub beetle Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) with synthetic sex pheromone in sugarcane fields

The significance of multiple mating and male substance transferred to females at mating in the white grub beetle, Dasylepida ishigakiensis (Coleoptera: Scarabaeidae)

Sexual dimorphism in body dimensions and antennal sensilla in the white grub beetle, Dasylepida ishigakiensis (Coleoptera: Scarabaeidae)

Detection of eggs in the living white grub beetle Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) by magnetic resonance imaging

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Infestation of the white grub Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) in hayfields on Miyako and Ishigaki Islands, Japan

Presence of allochronic populations of the white grub beetle Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) on Ishigaki Island, Japan

Vertical distribution of female adults and larval offspring of the white grub Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) in the soil of a sugarcane field on Miyako Island, Okinawa

Mating behavior of the scarab beetle Dasylepida ishigakiensis (Coleoptera: Scarabaeidae)

Observations of the migration of adult Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) from belowground to the soil surface and their reproductive status by MRI

Ground-surface application of pheromones through a mini-dispenser for mating disruption of the white grub beetle Dasylepida ishigakiensis (Coleoptera: Scarabaeidae)

Mating disruption for control of the white grub beetle Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) with synthetic sex pheromone in sugarcane fields

The significance of multiple mating and male substance transferred to females at mating in the white grub beetle, Dasylepida ishigakiensis (Coleoptera: Scarabaeidae)

Sexual dimorphism in body dimensions and antennal sensilla in the white grub beetle, Dasylepida ishigakiensis (Coleoptera: Scarabaeidae)

Detection of eggs in the living white grub beetle Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) by magnetic resonance imaging