32 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 112 



Synonyms: Drakella, Fsnestrella, Orlhosteira, Orihostira. 

 Distribution of species: Palearctic (25), Nearctic (10), Oriental (1), 



Neotropical (1). 

 Number of species : 37. 



Acanthocheila Stal (1858, p. 61). 



Type species: Monanthia (Acanthocheila) amigera Stal (1858, p. 61). 

 Fixation: Van Duzee (1916, p. 26), by subsequent designation. 

 Later citations: Van Duzee (1917, p. 219); Drake and Poor (1936a, 



p. 384); Monte (1939, p. 64; 1941, p. 73; 1947, p. 5); Hurd (1946, 



p. 469). 

 Variant spelling: Acanthochila Stal (1873, p. 127). 

 Note: Founded as a subgenus of Monanthia, raised to generic 



level by Stal (1873, p. 127). 

 Distribution of species: Neotropical (15), Nearctic (2). 

 Number of species : 15. 



Acanthochila. Variant spelling for Acanthocheila. 



Acanthotingis Monte (1940a, p. 13). 



Type species: Acanthotingis apicicornis Monte (1940a, p. 15, fig.). 

 Fixation: Monte (1940a, p. 14), by monotypy and original desig- 

 nation. 

 Later citation: Monte (1947, p. 6). 

 Distribution of species: Neotropical. 

 Number of species: 1. 



Aconchus Horvath (1905, p. 566). 



T} T pe species: Galeatus (Aconchus) urbanus Horvath (1905, p. 565). 



Fixation: Horvath (1905, p. 565), by monotypy. 



Later citations: Oshanin (1912, p. 43); Monte (1947, p. 6). 



Note : Founded as a subgenus of Galeatus, raised to generic level by 



Horvath (1906c, p. 54). 

 Distribution of species: Ethiopian (2), Oriental (1). 

 Number of species: 2. 



Acysta Champion (1898a, p. 46). 



Type species: Acysta integra Champion (1898a, p. 46, fig.). 

 Fixation: Van Duzee (1916, p. 26), by subsequent designation. 

 Later citations: Van Duzee (1917, p. 223); Drake and Poor (1936a, 



p. 384); Monte (1939, p. 64; 1941, p. 76; 1947, p. 6); Hurd (1946, 



p. 458). 

 Distribution of species: Neotropical (8), Australian (1). 

 Number of species : 9. 



