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PROCEEDINGS OF THE NATIONAL MUSEUM 



The measurements (in mm.) for T. rhodopis and T. columbianus 

 are as follows: 



Type, female adult, from Thalurania furcata colombica (Boureier); 

 collected by the author at Hacienda, Las Vegas, Dep. Magdalena, 

 Colombia, May 18, 1913, in the collection of the author. Represented 

 by the 9 holotype only. 



Distinguished by small size, very narrow, transverse frons, with 

 strongly divergent sides; sucking apparatus with thickened basal 

 portion and very slender stylet. Measurements follow the next 

 species. 



Trochiloecetes abdominalis, new species 



Figure 6,f-<7 



Type, female adult, from FLorisuga m. mellivora (Linne), collected 

 by the author at Bellavista, Dep. Norte do Santander, Colombia, 

 July 10, 1943, in the collection of the author. Known from the 9 

 holotype only. 



Distinguished by concave frons and sides bluntly angulated — 

 prothorax not extending under occiput — and by very large abdomen. 



The measurements (in mm.) for T. angustifrons and T. abdominalis 

 are as follows: 



Body 



(frons 

 temples 

 occiput 

 Prothorax 

 Pterothorax 

 Abdomen 



