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Pests, Parasites and beneficials > Lecture 5 > Flashcards

Lecture 5 Flashcards

1
Q

What size do Coleoptera range from?

A

0.25mm (Nanosella fungi) to 10cm (Goliathus giganteus)

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2
Q

How many families of coleoptera are bioluminescent?

A

-2 families
-Fireflies (Lampyridae)
-Glowworms (Phengodidae)

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3
Q

What is the largest order in the animal kingdom?

A
  • Coleoptera
  • 40% of all insects
  • 25% of all animals
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4
Q

What is the largest order of the insects?

A
  • Coleoptera
  • Beetles and weevils
    -Over 300,000 species worldwide
    -166 families
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5
Q

How many species of Coleoptera in Ireland?

A

-2154 species

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6
Q

Adult Coleoptera characteristics

A
  • Wing cases= elytra
    -Most have flying hind wings under the elytra
    -Strong mandible mouthparts
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7
Q

Coleoptera Larvae

A
  • Nearly always oligopodous (with normal thoracic legs only) and eucephalous (with well developed head capsule)
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8
Q

Are Coleoptera harmful or beneficial?

A

-Both
-Herbivores
-Predators
-Scavengers
-Parasites
-Pollinators

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9
Q

Carabidae

A

-Good for sustainable agriculture
-Larvae: Polyphagous soil living predators

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10
Q

Rovebeetles

A

-Family: Staphylinidae

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11
Q

Superfamily: Scarabaeoidea

A
  • Stag beetles (Lucanidae)
  • Dor beetles (Geotrupidae)
  • Dung and scarab beetles (Scarabaeidae)
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12
Q

Cockchafer

A

-Melolontha melolontha (Scarabaeidae)
-Hairy
-Multiple red antennae
-Larvae: White in colour

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13
Q

Click-beetles

A

-Family: Elateridae
-Larvae= wireworms
-Can cause damage to base of wheat seedlings, cereal crops, and potato tubers

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14
Q

Be able to distinguish between bettle (coleoptera) and bug (hemiptera)

A

Slide 33

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15
Q

Ladybirds

A
  • Larvae= Aphidophagous
  • Family: Coccinellidae
  • Feeds on aphids
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16
Q

Leaf Beetles

A

Family: Chrysomelidae

17
Q

Colorado Beetle

A
  • Leptinotarsa adecemlineata
  • Cause potato crop defoliation
18
Q

Fly Beetles

A
  • Chrysolmelidae
  • Subfamily = Halticinae
19
Q

Cabbage Stem Flea Bettle (CSFB)

A
  • Psylliodes chrysocephala
  • Cause damage to winter OSR - Mine over winter in leaf petioles and stems
20
Q

Blossom (pollen) beetles

A
  • Meligethens spp.
  • Family: Nitidulidae
  • Adult blossom beetles feed in flowers damaging ovaries and larvae mine in flower buds = causing ‘blind’ seed pods and reduce seed set
21
Q

Weevils

A
  • Family: Curculionidae
22
Q

Weevil characteristics

A
  • Basal ‘scape’ segment
  • ‘Geniculate’ (elbowed) antennae
  • Biting/chewing mouthparts on end of elongate ‘snout’
23
Q

Curculionidae

A
  • Only beetle family with apodous (legless) plant-mining larvae

Pests, Parasites and beneficials (12 decks)

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