Hexapoda

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Across
  1. 4. on the meso- and meta-thorax of most insects
  2. 8. excretory tubules of insect hindgut
  3. 10. number of antennae in hexapoda
  4. 11. "virgin birth" of insects
  5. 13. true bugs, "half wing"
  6. 14. last insect instar before sexual maturity
  7. 15. insect's most caudal tagmata
  8. 16. order of true flies, scientifically
  9. 18. first insect instars
  10. 19. insect's first thoracic segment
  11. 20. most ventral insect mouthpart
  12. 23. insect mouthpart for chewing, no palps
  13. 24. pairs of legs in hexapods
Down
  1. 1. most species rich hexapod order
  2. 2. most diverse hexapod class
  3. 3. insect gastric cecae attach here
  4. 5. respiratory openings of insects
  5. 6. ants, bees, wasps; "membrane wings"
  6. 7. basal hexapods, all lack wings
  7. 9. moths and butterflies, "scale wing"
  8. 12. insects where juveniles resemble adults
  9. 13. insects with larval and pupal stages
  10. 17. springtails
  11. 21. contains the insect crop and gizzard
  12. 22. praying mantis order, scientifically