322 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Trochiloecetes grandior, new species 



Figure 5,c-e 



Types, male and female adults, from Phaethornis guy corcuscus Bangs 

 collected by the author on the Volcan Turrialba, Costa Rica, April 

 1903, in the collection of the author. Species represented by the 9 

 holotype, cf allotype, and 2 9 paratypes. 



Distinguished by large size, wide frons, large prothorax extending 

 far under head, and by pitchy-black submarginal carinae of prothorax. 



The measurements (in mm.) for T. grandior are as follows: 



T. grandior 



Body 



(frons 

 temples 

 occiput 

 Prothorax 

 Pterothorax 

 Abdomen 

 Basal plate 

 Parameres 

 Endomeral sac 



Type, male adult, from Rhodopis v. vesper (Lesson), collected by the 

 author at Huancano, Dep. Ica, Peru, Mar. 6, 1921, in the collection 

 of the author. Species represented by cf holotype only. 



Distinguished by large size, narrow, slightly concave frons with 

 rounded sides, and small thoracic segments. Measurements follow 

 the next species. 



Trochiloecetes colurnbianus, new species 



Figure 6,a-c 



Types, male and female adults, from Heliothrix barroti (Bourcier). 

 Female holotype collected by the author at Rio Esmeralda, upper 

 Rio Sinu, May 12, 1949 and male allotype by author at Simiti, Dep. 

 Bolivar, Colombia, Apr. 11, 1947, USNM 64884. Represented by the 

 9 holotype, cf allotype, 1 cf and 2 9 paratypes from Rio Esmeraldas, 

 and 1 9 from type host taken at El Tambo, Dep. Choc6, Colombia, 

 Apr. 1, 1918. 



Species distinguished by numerous short, spinelike setae on head, 

 pterothorax, and legs; also large size (cf=2.27). 



