NO. I BLACK FLIES OF GUATEMALA — DALMAT 283 



Department of Zacapa 



Rio Teculutan, Zacapa 

 Department of Retalhuleu 



Rio Puente Cemento between Retalhuleu and Mazatenango 



Rio Buenos Aires, Finca La Suiza, San Sebastian 

 Department of San Marcos 



Rio Miraflores, Finca La Paz, La Reforma 



Rio Suchiate, Ayutla 

 Department of Solola 



Rio Quixaya, San Lucas Tollman 



Rio Ceiba, Finca Santa Teresa, San Lucas 



Rio Primer Puente, Panajachel 



Rio Puente, Panajachel 

 Department of Suchitepequez 



Rio Chichoy, San Antonio 



Rio Presa, Finca San Agustin, Patulul 



Rio Siguacan, Finca Santa Adelaida, Patulul 



Rio Callejon, Chicacao 



Rio Beneficio, Finca La Trinidad, Patulul 



Rio Siguacan, Finca San Agustin, Patulul 



Rio Socorro, Finca Socorro, Chicacao 



Rio Usu, Finca Veracruz, Patulul 



Rio Agua Caliente, Finca Veracruz, Patulul 



Rio Perla, Finca Concepcion, Chicacao 



Rio Panan, Finca La Esperanza 



Rio Madre Vieja, Finca La Patria, Chicacao 



Rio San Francisco, Finca San Francisco, Chicacao 



Rio Milan, Finca Milan, Chicacao 



Rio Siguacan, Finca Panan, Chicacao 



Rio Quebrada Grande, Finca San Rafael P., Chicacao 



Rio Bravo, Finca Mi Tierra, Chicacao 



Rio Olas de Moca, Finca Olas de Moca, Chicacao 



Rio Toma, Finca Cacahuate, Chicacao 



Rio San Jose, Finca San Jose La Providencia, Chicacao 



Rio Cocoya, Finca Tarrales, Patulul 



Rio El Trebol, Finca El Trebol, Chicacao 



Rio Cutzan, Finca El Jardin, Chicacao 



Toma Finca La India, Chicacao 



Rio Castano, Finca Castafio, Chicacao 



Rio Quebrada, Finca Manantial, Chicacao 



Toma, Finca Naranjo, Chicacao 



Toma, Finca Concepcion, Chicacao 



Rio Camelias, Finca Camelias, Chicacao 



Toma, Finca Los Angeles 



Toma, Finca Valle de Oro, Chicacao 



Rio La India, Finca La India, Chicacao 

 Department of El Progreso 



Rio Los Platanos, Route No. 4, Sanarate 

 Simidium (Lanea) dugesi Vargas, Martinez, and Diaz, 1946 — 2 specimens 

 Department of Escuintla 



Rio Limon, in the outskirts of Escuintla on the road to Siquinala 



