21. These sand flies were able, according to another Maori legend, to revive the dead hero Ha-tupatu. 22. The sand flies breed quickly in unsanitary conditions. 23. Researchers collect sand fly larvae from the West Bank and Israel, study the flies'behavior and genetic make-up. 24. Sand flies swarmed in the cement tomb.25. Another day passed, and Weil warded off sand flies with smoke from stinky cigarettes as he walked. 26. Leishmaniasis is spread by the bite of sand flies and creates lesions on the face and skin. 27. A year later in Los Angeles, that memory of sand flies was the final clue to their diagnosis. 28. The dreaded mosquitolike sand flies , dubbed throughout the Caribbean as no-see-ums, were particularly voracious ( if harmless ). 29. Even advocates for endangered species concede that winning support for the Delhi Sands fly has not been easy. 30. In Australia it was used as a folk remedy to relieve the itching of mosquito and sand fly bites.