Insects - the scientific names are the clue

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Across
  1. 3. Culicidae
  2. 4. Ixodida
  3. 7. Grylloidea
  4. 8. Siphonaptera
  5. 10. Araneae
  6. 12. Coleoptera
  7. 14. Isoptera
  8. 15. Cimex lectularius
  9. 16. Diptera
  10. 18. mantis
Down
  1. 1. Blattodea
  2. 2. bug
  3. 5. Anthophila
  4. 6. Caelifera
  5. 9. Formicidae
  6. 11. Forficula auricularia Linnaeus
  7. 12. Lepidoptera
  8. 13. Coccinellidae
  9. 17. Aphidoidea