348 ^'^6 Philipjyine Journal of Science i9i7 



Mesotrichia confusa (Perez), 1901. 



Reported as aestuans (which is African) and h)yorum (which 

 is Australian). It occurs in Java, Sumatra, etc.; I have no 

 Philippine specimens, 



Mesotrichia cuernosensis Cockerell, 1915. 

 Negros {Baker). 



Mesotrichia dapitanensis Cockerell, 1915. 

 Mindanao (Baker). 



Mesotrichia euchlora (Perez), 1901. 



Mindanao, Dapitan and Zamboanga (Baker), males. Maidl 

 suggests that this is the male of M. ■philippineyisk, which seems 

 very probable. 



Mesotrichia ghilianii (Gribodo), 1891. 

 Mindanao, Iligan (Baker). 



Mesotrichia major (Maidl), 1912. 



Luzon, Tayabas, Malinao (Baker). Only the m.ale known. 

 The type was collected in the Philippines by von Schadenberg 

 in 1890. 



Mesotrichia occipitalis (Perez), 1901. 



Female. Mindanao. Differs from M. adusia by yellow collar 

 on prothorax, hair of abdomen black, etc. 



Mesotrichia philippinensis (Smith), 1854.. 

 Luzon, Tayabas, Malinao (Baker). 



Mesotrichia philippinensis bilineata (Friese), 1914. 



Female. Luzon, Smaller, pleura black- haired, hind margin 

 of thorax with broader, yellower hair band. Length, 15 milli- 

 meters. Is this not a distinct species? I have not seen it. 



Mesotrichia philippinensis chlorina Cockerell, 1915. 

 The common form at Los Baiios, Luzon. 



Mesotrichia sulcifrons (Perez), 1901. 



Female. Palawan. Length, 15 to 16 millimeters; allied to 

 amaiiroptera. Wings only a little reddened, semitransparent. 

 Hair of clypeus black. 



Mesotrichia tricolor (Ritsema), 1876. 



A species allied to nobilis, 27 millimeters long, from the Sula 

 Islands. Its occurrence in the Philippines needs confirmation. 



