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Different Types Of Storage Pests And Its Life Cycle Flashcards

1
Q

Major source of infestations are?

A

Old gunny bags
Uncleared storage structure
Cross infestation

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2
Q

How many insect species associated with stored grain product _________ and how many of them cause significant economic losses ___________

A

600 , 100

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3
Q

Storage loss depends on how many factors and their name

A

4

Rodents
Birds
Insects
Moisture

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4
Q

What percentage of storage loss occurs due to Rodents

A

2.5 %

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5
Q

What percentage of storage loss happen due to birds

A

0.85 %

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6
Q

What percentage of storage loss happen due to Insects

A

2.55 %

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7
Q

What percentage of storage loss occurs due to moisture

A

0.68 %

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8
Q

Higher insects activity causes heating of grains which facilitates ____________ growth

A

Fungal

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9
Q

The present advances in grain technology in the country have brought us to situation where we can store food grains for prolonged period I.e. up to ______________ years.

A

3 to 5 years

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10
Q

Insects fall under which class

A

Hexapoda

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11
Q

Insects fall under which phylum

A

Arthropoda

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12
Q

Insects are having some basic characteristics like hard outer covering called ____________

A

Exoskeleton

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13
Q

Insect body is divided into three distinct regions called

A

Head
Thorax
Abdomen

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14
Q

Head of insects contains

A

Olfactory organs
compound Eye
Mouthparts

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15
Q

Thorax of insects has three segment

A

Prothorax
Me so-thorax
Meta-thorax

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16
Q

In insects Legs are attached in which body parts

A

Thorax

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17
Q

Class Hexapoda have two sub-class
1. Primitive wingless insects
2. Winged & secondarily wingless insects

Name of both are

A

Apterygota
Pterygota

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18
Q

Subclass Pterygota divided in two Divisions are

A

Exopterygota
Endopterygota

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19
Q

Order Coleoptera consists

A

Beetles

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20
Q

Order Lepidoptera consists mainly

A

Moths & Butterflies

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21
Q

Major pests life cycle involved with the whole grain as their young one bore and feed inside the kernel part of the grain which sometimes creates ______________

A

Hidden Infestation

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22
Q

The majority of stored food grains insect pest are

A

Beetles (Order-Coleoptera)
Moths (Lepidoptera)

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23
Q

Scientific name of beetle “Rice Weevil “ is

A

Sitophilus Oryzae (major pests)

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24
Q

Scientific Name of “Lesser Grain Borer” is

A

Rhizopertha Dominica (Major pests)

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25
Scientific name of “Khapra beetle” is
Trogoderma Granarium (major pests)
26
Scientific name of “Angoumois Grain Moth” is
Sitotroga cerealella (major pests)
27
Scientific name of “Rice moth” is
Corcyra cephalonica (major pests)
28
Scientific name of “Warehouse/Almond moth”is
Ephestia Cautella (major pests)
29
Scientific name of “INDIAN MEAL MOTH” is
Plodia interpunctella (major pests)
30
Scientific name of “Pluse Beetle” is
Callosobruchus Chinensis (major pests)
31
Scientific name of “Rust Red flour beetle”
Tribolium castaneum (minor pests)
32
Scientific name of “Saw toothed grains beetle” is
Oryzaephilius surinamensis (minor pests)
33
Scientific name of “Flat grain beetle”
Cryptolestes minutus (minor pests, laemophloeus)
34
Scientific name of “Rust red grain beetle” is
Cryptolestes ferruginous (minor pests ,Laemophloeus)
35
Scientific name of “Long headed flour beetle “ is
Latheticus oryzae (minor pests)
36
Adult have Characteristic beak or snout is of
Sitophilus oryzae (Rice weevil)
37
Heating takes place during heavy infestation of Sitophilus oryzae (Rice Weevil ) which is known as
Dry heating
38
Which pests cut Cirular hole and comes out of the grains is
Sitophilus Oryzae (rice weevil)
39
Rice Weevil (Sitophilus Oryzae) single female lays ________ to ________ eggs
150 , 250
40
Lesser Grain Borer (Rhizopertha Dominica) comes out of the grains by making which type of hole
Irregular holes
41
“Localised infestation” is almost a rule of which pest
Lesser Grain Borer(Rhizopertha Dominica)
42
Lesser Grain Borer(Rhizopertha Dominica) single female lays eggs up to __________
550
43
Khapra beetle (Trogoderma granarium) , a single female laid about ________ eggs
80-125
44
circular hole with characteristic ‘flap door’ or ‘trap door’ of which pests
Angoumois Grain moth (sitotroga cerealella)
45
Angoumois grain moth (sitotroga cerealella) female lays about _________ white eggs
100
46
Dense webbing is characteristic feature of which moth
Rice moth (Corcyra cephalonica)
47
Warehouse/Almond moth (ephestia cautella) lays about ________ eggs
200-250
48
Indistinct black bands about 4 mm from the head is characteristic feature of which pests
Warehouse/Almond moth (Ephestia cautella)
49
Outer 2/3 portion is reddish,copper bronze lustre with irregular band is characteristic feature of which moth
Indian meal moth (Plodia interpunctella)
50
Indian meal moth (Plodia interpunctella ) one female lays about ___________eggs
39 to 275
51
Elytra do not cover the abdomen completely in which moth
Pulse Beetle (Callosobruchus chinensis)
52
Which species Larvae eat up the grain kernel and make a cavity in pulses
Pulse beetle (Callosobruchus chenensis)
53
“Club shaped Antennae” is characteristic feature of which insect
Tribolium castaneum (Rust Red flour beetle)
54
Thorax having 6 teeth likes serration on each side is characteristic feature of which pest
Oryzaephilius Surinamensis (Saw toothed grain beetle)
55
Latheticus Oryzae (Long headed flour beetle) , single female lays ______ eggs
400
56
Scientific name of “Psocids” is
Liposcelis spp
57
Psocids female lay ________eggs single or in group
50-100
58
The successful survival of Psocids is partly due to which mode of reproduction
Parthenogenetic (asexual)
59
Scientific name of Grain mite is
Acarus siro
60
Grain mite female lays approximately ________
100

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