NO. I BLACK FLIES OF GUATEMALA — DALMAT 281 



Stream along the same route, kilometer 222, Esquipulas 



Rio Tutumico, Quezaltepeque 

 Department of Zacapa 



Rio Hondo, Rio Hondo, Zacapa 

 Department of Quezaltenango 



Catarata Zunil, Zunil 



Toma, Finca San Luis, Almolonga 



Rio Aguas Amargas, Aguas Amargas, Zunil 



Rio Samala, Zunil 



Small tributary of Rio Samala, Zunil 



Almolonga, Quezaltenango 

 Department of Retalhuleu 



Rio Nima, Finca Helvetia, San Sebastian 

 Department of San Marcos 



Rio Puente Nahuala, National Route No. i, San Marcos 



Rio Miraflores, Finca La Paz, La Reforma 

 Department of Sacatepequez 



Rio El Cubo, Antigua 



Rio Pensativo, Antigua 



Antigua, Antigua 

 Department of Escuintla 



Rio Posa del Padre, Finca Las Ilusiones, Santa Lucia 



Rio Obispo, Siquinala 



Rio Zapote, Finca Zapote, Escuintla 



Stream between El Jute and La Trinidad, Escuintla 



Rio La Eminencia, Finca La Eminencia, Escuintla 



Rio Monte Rey, Finca Monte Rey, Escuintla 



Rio Hamburgo, Finca Hamburgo, San Vicente Pacaya 



Rio La Concha, Finca Hamburgo, San Vicente Pacaya 

 Department of Santa Rosa 



Rio El Progreso, Finca El Progreso, Taxisco 



Rio Grande, Taxisco 



Stream at kilometer 102, Route No. 25, Finca Mercedes, Taxisco 



Stream on Route No. 2, between Llano Grande and Los Esclavos, Santa 

 Rosa 



Rio Aguacapa, Nuevo Vinas 



Rio Blanca, Finca El Rodeo, Route No. 2, Santa Rosa 



Rio Agua Tibia, Finca Santa Clara, Nuevo Viiias 



Rio Las Medidas, Aldea La Libertad, Taxisco 



Rio Taxisco, Municipio Taxisco 



Rio El Jobo #1, Finca El Jobo, Taxisco 



Rio Urayala, Chiquimulilla 



Cuilapa, Cuilapa 

 SimuHum (Lanea) colvini Dalmat, 1952 — 30 specimens 

 Department of San Marcos 



Rio El Chorro, Municipality of Catarina 

 Simidium (Lanea) dozvnsi Vargas, Martinez, and Diaz, 1946 — 14,000 specimens 

 Department of Chimaltenango 



Numerous streams in the Municipality of Yepocapa 



Numerous streams in the Municipality of Acatenango 



