NO. I BLACK FLIES OF GUATEMALA — DALMAT 279 



Rio Laguneta, Finca Tehuya, Acatenango 



Rio La Torre, Finca La Torre, Acatenango 

 Department of Huehuetenango 



Rio Chancol, Finca Chancol, Chiantla 



Rio Coyotes, Chiantla 



Paraje Chemal, between Chiantla and Barillas 

 Department of El Quiche 



Rio Estansuela, Route No. 15, between Quiche and San Pedro Jocopilas 



Stream on Route No. 3, kilometer 8, between Nebaj and Zacapulas 



Rio El Molino, Finca El Tesoro, Chichicastenango 



Rio San Jose Chagual, Aldea San Jose Chagual, Quiche 

 Department of Quezaltenango 



Rio Caquixa, San Carlos Sija ^ 



Rio Cuesta, kilometer 228, between San Carlos Sija and Chequijel 

 Department of San Marcos 



Rio La Cienega, between Quezaltenango and San Marcos 

 Department of Solola 



Small stream on National Route No. i, about 3 miles from Los Encuen- 

 tros on road to Totonicapan 



Rio Los Arcos, Los Encuentros, Solola 

 Department of Totonicapan 



Rio Zapato de la Senora on National Route No. i, between Chumuluchic 

 and Totonicapan (nearer Totonicapan) 



Rio Samala, Totonicapan 



Rio Puente, Totonicapan 



Rio Desconsuelo, Totonicapan 

 SimuHum (Byssodon) benjamini Dalmat, 1952 — 10 specimens 



Rio Coban, Coban 

 Simulium (Lanea) callidum (Dyar and Shannon), 1927 — 9,500 specimens 

 Department of Chimaltenango 



Numerous streams in the Municipality of Yepocapa 



Numerous streams in the Municipality of Acatenango 

 Department of Suchitepequez 



Rio Agua de Presa, Finca San Agustin, Patulul 



Rio Siguacan, Finca Santa Adelaida, Patulul 



Rio Coyoles, Finca Trinidad, Patulul 



Rio Callejon, Finca Santa Adelaida, Patulul 



Rio Beneficio, Finca Trinidad, Patulul 



Rio Carlota, Finca Esterlina, Patulul 



Rio Mixpia, San Jose La Sierra, Chicacao 



Rio El Mono, Finca Naranjo, Chicacao 



Rio Socorro, Finca Socorro, Chicacao 



Rio Veracruz, Finca Veracruz, Patulul 



Rio Agua Caliente, Finca Veracruz, Patulul 



Rio Usu, Finca Hermita, Patulul 



Rio Los Muertos, Finca Hermita, Patulul 



Rio Perla, Finca Concepcion, Chicacao 



Rio Carmelo, Finca Camelias, Chicacao 



Rio Toma, Finca Los Angeles, Chicacao 



Rio Medellin, Finca Medellin, Chicacao 



Rio Manantial, Finca Manantial, Chicacao 



