NO. I BLACK FLIES OF GUATEMALA — ^DALMAT 299 



Rio Silencio, Finca Delicias, Acatenango 



Rio Chorrera, Finca San Jose Miramar, Acatenango 



Rio San Vicente, Finca San Vicente Pacum, Acatenango 



Rio Pacoc, Finca Paraizo, Acatenango 



Rio San Rafael, Finca San Rafael Pacum, Acatenango 



Rio La Torre, Finca La Torre, Acatenango 



Rio Chajilla, Aldea San Antonio, Acatenango 



Rio Laguneta, Finca Tehuya, Acatenango 



Rio Presa, Finca Buena Vista, Acatenango 



Rio Esmeralda, Finca Esmeralda, Acatenango 



Rio Monjas, Finca San Rafael, Acatenango 



Rio Panacal, Finca Panacal, Acatenango 



Rio Costita, Finca Providencia, Acatenango 



Rio Chorrera, Finca San Carlos, Pochuta 



Rio Monjas, Finca Santa Margarita, Acatenango 



Rio Campana, Finca Chalabal, Acatenango 

 Department of Solola 



Catarata Panajachel, Panajachel 

 Simulium (Simuliiim) tricornis De Leon, 1944 — 450 specimens 

 Department of Chimaltenango 



Rio and Finca La Torre, Acatenango 



Rio Cipres, Aldea Cipres, Acatenango 



Rio Sacate, Finca Tajancaron, Acatenango 



Rio Seco, Finca Socorro, Acatenango 



Rio Cocoya, Finca El Carmen 

 Department of Guatemala 



Stream between kilometers 24 and 25, National Route No. i, Mixco 

 Department of Huehuetenango 



Stream between kilometers 240 and 241 on Route No. 9 



Another stream along the same route, at kilometer 224 

 Department of San Marcos 



Small stream, Palaza, San Marcos 



Rio Puente Nahuala #1, Route No. i, San Marcos 



Rio Guatayil, Aldea Chamaco, San Marcos 

 Department of Solola 



Rio Negro, Panajachel 



Rio near Los Encuentr^, Solola 



Stream about 3 miles from Los Encuentros, on Route No. i to Totoni- 

 capan, Los Encuentros, Solola 

 Department of Totonicapan 



Small stream between Encuentros and Totonicapan 



Rio Samala, Totonicapan 

 Simulium (Hearlea) hurchi Dalmat, 1951 — 150 specimens 

 Department of Huehuetenango 



Rio Yulva, Aldea Yulva, Cuilco 

 Department of El Quiche 



Rio Micovez, Nebaj 



Rio Yesal at kilometer 275, National Route No. 7-W, between Cunen 

 and San Miguel Uspantan 



