494 U. S. NATIONAL MUSEUM BULLETIN 216 



20. Thorax fulvous; legs blackish, with white bands at base of tibiae, of basitarsi, 



and on second trochanters 4. 9emirufus, new species 



Thorax blackish; \e h s varied with fulvous, white, and fuscous. 



5. peniculus, new species 



1. Subgenus Gonophonus, new status 



Gonophonus Foerster, 1868, Verh. Naturh. Ver. Rheinlande, vol. 25, p. 169. 



Type: (Gonophonus mokrzeckii Kokujev) = propinquus (Tschek); included 



by Kokujev, 1902. 

 Caenostoma Cameron, 1905, Journ. Straits Branch of the Roy. Asiatic Soc, vol. 44, 



p. 125. Type: (Caenostoma filicorne Cameron) = exquisitus (Tosquinet); 



monobasic. 



This subgenus is European and Oriental. The European species 

 are Xylonomus corcyrensis Kriechbaumer 1894, Xylonomus Jasciipennis 

 Kriechbaumer 1894, Xylonomus propinquus Tschek 1868, and Xylono- 

 mus scaber Gravenhorst 1829. The Oriental species are Moansa 

 exquistus Tosquinet 1903 (of which Caenostoma filicorne Cameron 

 1905, is a new synonym) and an undescribed species in the Philippines. 

 The European species apparently have not previously been referred 

 to the genus, and the species exquisitus to neither the genus nor 

 subgenus. 



2. Subgenus Cyanoxorides, new status 



Cyanoxorid.es Cameron, 1903, Journ. Straits Branch of the Roy. Asiatic Soc, 

 vol. 39, p. 141. Type: Cyanoxorides brookei Cameron; monobasic. 



Spiloxorides Cameron, 1903, Journ. Straits Branch of the Roy. Asiatic Soc, vol. 39, 

 p. 143. Type: Spiloxorides ruficeps; monobasic. 



This subgenus is in the Oriental region. The species of which we 

 have studied the types are: Xylonomus abaddon Morley 1913, Cyanoxo- 

 rides antennalis Szepligeti 1914, Cyanoxorides brookei Cameron 1903, 

 Cyanoxorides caeruleus Cameron 1905, Xylonomus crudelis Turner 

 1919, Cyanoxorides formosanus Sonan 1936, Giypta maculipennis Smith 

 1860, Spiloxorides propodeum Cushman 1933, Spiloxorides ruficeps 

 Cameron 1903 (= Spiloxorides erythrocephalus Cameron 1905, new 

 synonymy), Cyanoxorides smithi Schmiedeknccht 1907, Spiloxorides 

 rufipleuralis Cushman 1933, and Moansa spectabilis Tosquinet 1903. 

 The above names, except for Spiloxorides erythrocephalus, are new 

 combinations with the generic or subgeneric name, or with both. 



3. Subgenus Epixorides, new status 



Epixorides Smith, 1862, Journ. Proc Linn. Soc. London, (Zool.) vol. 6, p. 94. 



Type: Epixorides chalybeator Smith; monobasic. 

 Ahyborhyssa Enderlin, 1919, Sitz-Ber. Ges. Naturf. Freunde, Berlin, vol. 1919, 



p. 152. Type: (Epirhyssa annulicornis Cameron) = elizabethae (Bingham); 



original designation. 



This subgenus is in the Oriental region. We have studied the types 

 of the following species: Xylonomus caerulescens Morley 1913, 



