Oriental Mole Cricket & Grass Cricket Specimen Set in 2 Clear small Block

Description

Lucite Paperweight - Clear (2 Blocks Set)
Real Oriental Mole Cricket – Gryllotalpa orientalis and Grass Cricket - Paratrigonidium bifasciatum specimen encased in rectangular indestructible, transparent lucite block. Safe, authentic and completely unbreakable product put real specimens right at your fingertips!
Anyone can safely explore the specimens from every angle.
They are clear enough for microscope observation.
Length of the crickets body are 3.0 cm (1.2 inch) and 2.2 cm (0.9 inch).
Size of each lucite block is 4.5x3.0x2.0 cm (1.8x1.2x0.8 inch)
Weight of each block is 30 gram and 45 gram with packing box.
Selltotheworld
From all around the world
Oriental Mole Cricket & Grass Cricket Specimen Set in 2 Clear small Block
Lucite Paperweight - Clear (2 Blocks Set)
Real
Oriental Mole Cricket –
Gryllotalpa orientalis
and
Grass Cricket -
Paratrigonidium bifasciatum
specimen encased in rectangular indestructible, transparent lucite block. Safe, authentic and completely unbreakable product put real specimens right at your fingertips!
Anyone can safely explore the specimens from every angle.
They are clear enough for microscope observation.
Length of the crickets body are 3.0 cm (1.2 inch) and 2.2 cm (0.9 inch).
Size of each lucite block is 4.5x3.0x2.0 cm (1.8x1.2x0.8 inch)
Weight of each block is 30 gram and 45 gram with packing box.
This is a handmade real animal specimen craft. Each one will be a bit different (specimen size, color and posture) even in the same production batch.
The pictures in the listing are just for reference as we are selling multiple pieces with same pictures.
They are ideal learning aid for students and kids and also a very good collectible item.
***
Oriental Mole Cricket –
Gryllotalpa orientalis
Order
Orthoptera
Family
Gryllotalpidae
Economic importance
Mole crickets are polyphagous. They feed on the underground parts of almost all upland crops. They occasionally cause heavy damage to the roots and basal parts of rice plants growing in raised nursery beds or upland conditions. In wetland rice, infestation occurs when there is no standing water. No recorded outbreak of this pest is known.
Geographical distribution
China, Afghanistan, Australia, Bangladesh, Bhutan, Cambodia, India, Indonesia, Japan, Lao PDR, Malaysia, Myanmar, Nepal, Pakistan, Papua New Guinea Philippines, Thailand, and Vietnam.
Morphology
Egg
The egg is oblong to oval and gray with a shiny surface. It is 2.6 mm long and 1.7 mm broad. The eggs are deposited in a hole constructed by the adult female.
Nymph
The newly hatched nymph has a white and bluish prothorax and legs. The nymph later turns gray to black with white markings. The last nymphal stage is similar to the adult except for its short wing pads.
Adult
The adult mole cricket is brownish and very plump, measuring 25-40 mm long. It has short antennae. The enlarged front legs are modified for digging.
Symptoms
Feeding on seeds and roots results in loss of plant stand in upland rice. In older plants, tillers are also fed upon.
Biology and ecology
The eggs are laid in hardened cells constructed in the soil by the females. One cell usually contains 30-50 eggs. Egg incubation varies from 15 to 40 days. The hatching nymphs feed on roots and damage the crops in patches. The nymphs have limited migrating ability and generally suffer heavy mortality. Nymphal development takes 3-4 months. The insect has only one generation per year in the temperate region.
In flooded rice fields, mole crickets are usually seen swimming on the water. Their low population density is due to cannibalism.
Host range
The host range of
G
.
orientalis
includes the following:
Allium cepa
L. (onion),
Brassica oleraceae
L. (cabbage),
Camellia sinensis
(L.) O. Ktze. (tea),
Helianthus annuus
L. (sunflower),
Hordeum
sp. (barley),
Nicotiana tabacum
L. (tobacco),
Oryza sativa
L. (rice),
Solanum tuberosum
L. (white potato), and
Triticum aestivum
L. em. Thell. (wheat).
Detection and inspection
The rice field can be checked for damage symptoms by using a light trap. Cut seedlings are indicative of the insect’s feeding damage.
Management
Cultural control
Standing water can help eliminate the eggs of mole crickets on the soil. In infested areas, the rice field can be flooded for 3-4 days. Construction of a raised nursery should be avoided to reduce feeding damage on seedlings.
Biological control
Natural enemies include
Chlaenius
sp.,
Labidura
sp.,
Larra amplipennis
Smith,
L
.
luzonensis
(Rohwer),
L
.
sanguinea
Williams,
Liris aurulenta
(Fabricius),
Motes manilae
(Ashmead),
M
.
subtessellatus
(Smith),
M
.
loboriosus
(Smith), and
Pheropsophus jessoensis
Morawitz.
Beauveria bassiana
(Balsamo) Vuillemin is also recorded as an important pathogen. A mermithid,
Mermis nigrescens
(Dujardin), is a potential agent against this insect.
Grass Cricket -
Paratrigonidium bifasciatum
18-24 mm body length, body color Danhese, chest Cross backplane with brown stripes, vertical fin clock with stripes, brown Houjia legs of a ramp belt, the female with eggs. Living in the plains and low-elevation mountains, common in the shade of trees or bushes on the back of habitats, the general distribution of the island is a common species.
Item Specifics
Handmade :
Yes
Modified Item :
No
Country/Region of Manufacture :
China
Material :
Resin
Type :
Collector Plate
Payment
By Paypal
Shipping
Free shipping cost.
We send the goods to USA, Canada, UK, Australia, New Zealand, EU countries and some other European and Asian countries by E-express, a kind of fast postal service by Hong Kong Post. It usually takes about 6 to 10 working days for delivery.
We send the goods to other countries by registered airmail and will take about 8 to 14 working days for delivery.
Returns
Returns: We accept returns with any reason in 30 days.
Contact Us
We will answer buyer messages within 24 hours during working days.
Selltotheworld
From all around the world
DESCRIPTION
PAYMENT
SHIPPING
RETURN POLICY
CONTACT US
Oriental Mole Cricket & Grass Cricket Specimen Set in 2 Clear small Block
Lucite Paperweight - Clear (2 Blocks Set)
Real
Oriental Mole Cricket –
Gryllotalpa orientalis
and
Grass Cricket -
Paratrigonidium bifasciatum
specimen encased in rectangular indestructible, transparent lucite block. Safe, authentic and completely unbreakable product put real specimens right at your fingertips!
Anyone can safely explore the specimens from every angle.
They are clear enough for microscope observation.
Length of the crickets body are 3.0 cm (1.2 inch) and 2.2 cm (0.9 inch).
Size of each lucite block is 4.5x3.0x2.0 cm (1.8x1.2x0.8 inch)
Weight of each block is 30 gram and 45 gram with packing box.
This is a handmade real animal specimen craft. Each one will be a bit different (specimen size, color and posture) even in the same production batch.
The pictures in the listing are just for reference as we are selling multiple pieces with same pictures.
They are ideal learning aid for students and kids and also a very good collectible item.
***
Oriental Mole Cricket –
Gryllotalpa orientalis
Order
Orthoptera
Family
Gryllotalpidae
Economic importance
Mole crickets are polyphagous. They feed on the underground parts of almost all upland crops. They occasionally cause heavy damage to the roots and basal parts of rice plants growing in raised nursery beds or upland conditions. In wetland rice, infestation occurs when there is no standing water. No recorded outbreak of this pest is known.
Geographical distribution
China, Afghanistan, Australia, Bangladesh, Bhutan, Cambodia, India, Indonesia, Japan, Lao PDR, Malaysia, Myanmar, Nepal, Pakistan, Papua New Guinea Philippines, Thailand, and Vietnam.
Morphology
Egg
The egg is oblong to oval and gray with a shiny surface. It is 2.6 mm long and 1.7 mm broad. The eggs are deposited in a hole constructed by the adult female.
Nymph
The newly hatched nymph has a white and bluish prothorax and legs. The nymph later turns gray to black with white markings. The last nymphal stage is similar to the adult except for its short wing pads.
Adult
The adult mole cricket is brownish and very plump, measuring 25-40 mm long. It has short antennae. The enlarged front legs are modified for digging.
Symptoms
Feeding on seeds and roots results in loss of plant stand in upland rice. In older plants, tillers are also fed upon.
Biology and ecology
The eggs are laid in hardened cells constructed in the soil by the females. One cell usually contains 30-50 eggs. Egg incubation varies from 15 to 40 days. The hatching nymphs feed on roots and damage the crops in patches. The nymphs have limited migrating ability and generally suffer heavy mortality. Nymphal development takes 3-4 months. The insect has only one generation per year in the temperate region.
In flooded rice fields, mole crickets are usually seen swimming on the water. Their low population density is due to cannibalism.
Host range
The host range of
G
.
orientalis
includes the following:
Allium cepa
L. (onion),
Brassica oleraceae
L. (cabbage),
Camellia sinensis
(L.) O. Ktze. (tea),
Helianthus annuus
L. (sunflower),
Hordeum
sp. (barley),
Nicotiana tabacum
L. (tobacco),
Oryza sativa
L. (rice),
Solanum tuberosum
L. (white potato), and
Triticum aestivum
L. em. Thell. (wheat).
Detection and inspection
The rice field can be checked for damage symptoms by using a light trap. Cut seedlings are indicative of the insect’s feeding damage.
Management
Cultural control
Standing water can help eliminate the eggs of mole crickets on the soil. In infested areas, the rice field can be flooded for 3-4 days. Construction of a raised nursery should be avoided to reduce feeding damage on seedlings.
Biological control
Natural enemies include
Chlaenius
sp.,
Labidura
sp.,
Larra amplipennis
Smith,
L
.
luzonensis
(Rohwer),
L
.
sanguinea
Williams,
Liris aurulenta
(Fabricius),
Motes manilae
(Ashmead),
M
.
subtessellatus
(Smith),
M
.
loboriosus
(Smith), and
Pheropsophus jessoensis
Morawitz.
Beauveria bassiana
(Balsamo) Vuillemin is also recorded as an important pathogen. A mermithid,
Mermis nigrescens
(Dujardin), is a potential agent against this insect.
Grass Cricket -
Paratrigonidium bifasciatum
18-24 mm body length, body color Danhese, chest Cross backplane with brown stripes, vertical fin clock with stripes, brown Houjia legs of a ramp belt, the female with eggs. Living in the plains and low-elevation mountains, common in the shade of trees or bushes on the back of habitats, the general distribution of the island is a common species.
Item Specifics
Handmade :
Yes
Modified Item :
No
Country/Region of Manufacture :
China
Material :
Resin
Type :
Collector Plate
Payment
By Paypal
Shipping
Free shipping cost.
We send the goods to USA, Canada, UK, Australia, New Zealand, EU countries and some other European and Asian countries by E-express, a kind of fast postal service by Hong Kong Post. It usually takes about 6 to 10 working days for delivery.
We send the goods to other countries by registered airmail and will take about 8 to 14 working days for delivery.
Returns
Returns: We accept returns with any reason in 30 days.
Contact Us
We will answer buyer messages within 24 hours during working days.
All right reserved.
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