The written sample contest below is for the senior division. Junior and intermediate participants will have simpler contests with a similar style. All contests will also have an insect identification portion which is half of the total score. Identifications require recognition of common name and order name.


STATE 4-H ROUNDUP
ENTOMOLOGY CONTEST

Part I: Place the letter of the order by the common name of each arthropod.

COMMON NAME ORDERS

_____ 1. Booklouse A. Homoptera
_____ 2. Thrips B. Lepidoptera
_____ 3. Praying mantid C. Thysanura
_____ 4. Backswimmer D. Mantodea
_____ 5. Mole cricket E. Ephemeroptera
_____ 6. Greenbug F. Plecoptera
_____ 7. Stoneflies G. Psocoptera
_____ 8. Antlion H. Neuroptera
_____ 9. Mayfly I. Hemiptera
_____ 10. Lightningbug J. Thysanoptera
_____ 11. Silverfish K. Dermaptera
_____ 12. Scorpionfly L. Coleoptera
_____ 13. Peach tree borer M. Collembola
_____ 14. Springtail N. Orthoptera
_____ 15. Earwig O. Mecoptera


Part II: Place the letter of the type of metamorphosis next to the common name of the insect which corresponds with it.

COMMON NAME TYPE OF METAMORPHOSIS

_____ 16. Lone star tick A. Ametabolous (no or none)
_____ 17. Snowy tree cricket B. Paurometabolous (gradual)
_____ 18. Green darner C. Hemimetabolous (incomplete)
_____ 19. Cecropia moth D. Holometabolous (complete)
_____ 20. Red harvester ant  
_____ 21. Mosquito  
_____ 22. Caddisfly  
_____ 23. Whirlygig beetle  
_____ 24. Onion thrips  
_____ 25. San Jose scale  
_____ 26. Human body louse  
_____ 27. Viceroy  
_____ 28. American cockroach  
_____ 29. Stoneflies  
_____ 30. Silverfish  

 

Part III: Place the letter of the host or location that corresponds with each insect next to the common name of that insect.

COMMON NAME HOST OR LOCATION

_____ 31. Bee fly A. Cattle
_____ 32. Plum Curculio B. Swine
_____ 33. Screwworm C. Home
_____ 34. Barklouse D. Log pile
_____ 35. Subterranean termite E. Stream
_____ 36. Scorpion F. Flowers
_____ 37. Hog louse G. Wood, stump
_____ 38. German cockroach H. Juniper
_____ 39. Fowl tick I. Dead animal
_____ 40. Buffalo gnat (immature) J. Tree trunk
_____ 41. Bagworm K. Fruit trees
_____ 42. Red admiral L. Peaches
_____ 43. Pea weevil M. Stored grain
_____ 44. Carrion beetle N. Nettles
_____ 45. San Jose scale O. Poultry


Part IV: Place the letter of the type of mouth part that corresponds with each insect next to the common name of that insect. (Note that the life stage is given for the insect.)

COMMON NAME MOUTH PART TYPES

_____ 46. Old house borer (immature) A. Chewing
_____ 47. Spittlebug (adult) B. Piercing-sucking
_____ 48. Cat flea (immature) C. Rasping-sucking
_____ 49. Soldier beetle D. Reduced or none functional mouthparts
_____ 50. Human body louse  
_____ 51. Psocids  
_____ 52. Damselfly (naiad)  
_____ 53. Silverfish  
_____ 54. Caddisfly (adult)  
_____ 55. Mayfly (naiads)  
_____ 56. Tarnished plantbug (immature)  
_____ 57. Onion thrips  
_____ 58. Buckeye (adult)  
_____ 59. Springtail  
_____ 60. Green lacewing (adult)  


Part V: Match the group with the immature forms that are present in the group.

GROUP IMMATURE

_____61. Spiders A. Grubs
_____62. Coleoptera B. Caterpillars
_____63. Scale insects C. Wigglers
_____64. Damselflies D. Maggots
_____65. Mosquitoes E. Crawlers
_____66. Lepidoptera F. Naiads
_____67. Click beetles G. Nymphs
_____68. House flies H. Wireworms
_____69. Antlions I. Spiderling
_____70. Stink bugs J. Doodlebugs


Part VI: Fill in the blank with your best answer.

71. Beetles have front wings called _________.

72. A device called _____________ is used to separate small insects from plant debris or soil.

73. Insects belong to the phylum _____________.

74. The wings of thrips are fringed with _____________.

75. Members of the order Hemiptera are also called the _____________.

76. Mosquitoes are "true flies" in the order ___________.

77. Herbivores feed on _______________________.

78. Mayflies should be preserved in __________ for scientific study.

79. A sealed container with sand saturated with water can be used as a ___________________.

80. A tool used to collect small insects like a miniature vacuum is called an _______________.

 

Part VII: Label the insect body parts on the diagram below by filling in the blank lines.

Insect Digestive System


81.____________________________ 86._____________________________

82.____________________________ 87._____________________________

83.____________________________ 88._____________________________

84.____________________________ 89._____________________________

85.____________________________ 90._____________________________

Part VIII: Answer "T" for true and "F" for false on the space provided for the statements below.

91. _____Termites digest wood with the help of symbiotic bacteria in their gut.

92. _____Caddisflies feed on grass.

93. _____The greenbug feeds on small grain plants.

94. _____About 1/4 of all insect species are beetles.

95. _____Barklice have sucking mouthparts.

96. _____Lacewings are pests in vegetables.

97. _____The front wings of Hemiptera meet in a straight line down the back.

98. _____Naiads live in water.

99. _____Silverfish commonly swim well.

100. _____Sucking lice should be preserved on insect pins.


Tie Breakers

Part I: Define the following terms.

1. Integrated pest management:____________________________________________________

______________________________________________________________________________

______________________________________________________________________________

2. Parasites:___________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

3. Predators:___________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Part II

List several insect control tactics:________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Part III

What is the state insect of Texas:________________________


 


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