| Home |
| COCONUT |
| 1. Rhinoceros beetle |
| 2. Red palm weevil |
| 3. Black headed caterpillar |
| 4. Coconut Eriophyid mite |
| 5. White grub |
| 6. Slug caterpillar |
| 7. Mealy bug |
| 8. Scale Insect |
| 9. Lacewing bug |
| 10. Termite |
| 11. Coconut Skippers |
| Questions |
| Download Notes |
Questions
1. Prominent horn is present in which sex of adult rhinoceros beetle ?
Male2. ------------------ fungus used to control rhinoceros beetle - Metarhizium anisopliae
3. Central spindle appears cut or toppled in coconut is a symptom of --------------------
Rhinoceros beetle
4. Conspicuous long snout with tuft of hairs in males is seen in - Red palm weevil
5. -------------- is an aggregation pheromone used for control of red palm weevil - Ferrolure
6. --------------- is the scientific name of coconut black hairy caterpillar -Opisinia arenosella
7.Dried up patches on leaflets of the lower leaves of coconut is symptom of
| a.pineapple | b. sugarcane | c. arecanut | d. all the above |
8.Alternate host of Oryctes rhinoceros ___________
| a.Black headed caterpillar | b. Black headed caterpillar | c. Rhinoceros beetle | d. Red palm weevil |
9. Root feeding technique is followed to control following pest
10. Scientific name of slug caterpillar is -------------- Parasa lepida
11. Site of oviposition for white grub is
12. Brown color patches, longitudinal fissures and splits on outer surface of the coconut husk is due to
| a.Curculionidae | b. Eriophyid mite | c. Rhinoceros beetle | d. Black headed caterpillar |
13. Scientific name of eriophyid mite is
| a.Rhynchophorus ferrugineus | b.Oryctes rhinoceros | c. Opisina arenosella | d. Aceria guerreronis |
14. Opisina arenosella belongs to ________ family
| a.Curculionidae | b. Cryptophasidae | c. Scarabaeidae | d. Arctiidae |
15. Eriophyid mite attained major pest status in the year -1998
16. _____________ is a predator of Rhinoceros beetle Platymeris laevicollis
17. Female of rhinoceros beetle lays eggs in _____________(manure pits or decaying vegetable matter) to a depth of __________
(5-15 cm)
18. _________ stage of rhinocesos beetle does the damage to coconut fronds (Adult)
19. Holes on the trunk with brownish ooze is a symptom caused by __________ (Red palm weevil)
20. _____________ damage is more pronounced in the coastal region (black headed caterpillar)
