Figure Page 



2-15. Neighborhood of patient A in southeast San 



Antonio, Bexar County, Texas 44 



2-16. Shannon trap erected behind the home of patient D, 



D' Ham's, Medina County, Texas 46 



2-17. Lutzomyia diabolica female 53 



2-18. Dismantled woodrat ( Neotoma ) nest near the home of 

 patient D in D'Hanis, Medina County, Texas, where 

 specimens of Lutzomyia anthophora were found 57 



2-19. Paired accessory glands of a gravid female Lutzomyia 



diabolica showing dense granular material 62 



2-20. Condition of accessory glands in relation to number 



of eggs deposited 63 



2-21. Unidentified flagellates in the midgut of a 



Lutzomyia diabolica female collected at Garner 



State Park, Uvalde County, Texas, June 1982 67 



2-22. Gamont of aseptate gregarine in the abdominal 



cavity of a female Lutzomyia diabolica collected 



at Garner State Park, Uvalde County, Texas, June 1982.. 67 



2-23. Gametocyst of an aseptate gregarine attached to 

 the accessory gland of a female Lutzomyia 

 diabolica collected at Garner State Park, 

 Uvalde County, Texas, June 1982 68 



2-24. Gregarine oocysts spilling from the accessory glands 

 of a female Lutzomyia diabolica collected 

 at Garner State Park, Uvalde County, Texas, 

 June 1982 68 



2-25. Microsporidian spores in the hemocoel of a female 

 Lutzomyia diabolica collected at Garner 

 State Park, Uvalde County, Texas, June 1982 69 



2-26. Microsporidian spore germinated in vitro by 



addition of 0.2 M KC1 (pH 9) to dissecting medium 69 



2-27. Scanning electronmicrograph of mite ( Eustigmaeus 

 sp.) found on the abdomen of a female Lutzomyia 

 diabol ica collected at Garner State Park, 

 Uvalde County, Texas, June 1982 70 



2-28. Scanning electronmicrograph of mite ( Eustigmaeus 

 sp.) found on the abdomen of a female Lutzomyia 

 diabolica collected at Garner State Park, 

 Uvalde County, Texas, June 1982 70 



