558 ^h. T. D. A. Cockerell — Descriptions and 



Ceratina regulis, sp. n. 



^ . — Length about 8 mm. 



Exceedingly brilliant shining blue, with strong bluish- 

 green tints on face and base o£ abdomen, a green suffusion 

 also on scutellum and postscutellum ; head very strongly 

 and densely punctured ; checks strongly and sparsely punc- 

 tured, the upper part rather closely jjunctured in front and 

 impunctate posteriorly ; antenna black, the flagellum Avith 

 a whitish pruinosity ; broad lower margin of clypeus 

 (narrower at sides, deeply notched above in middle), short 

 elongate lateral face-marks (separated from the light colour 

 on clypeus), patch (notched above) in middle of labrum, and 

 a very large subtriaugular patch on each mandible, all cream- 

 colour; mesothorax with small punctures, not dense except 

 at sides; thorax without light markings; area of meta- 

 thorax granular, rather poorly defined, plicate basally ; 

 femora blue (especially behind), the middle and hind ones 

 obtusely angled below ; tibial black, anterior ones greenish 

 behiud; tarsi dark, with white hair, except on inner side, 

 Avhereit is yellowish ; teguht rufo-piceous. AVings strongly 

 reddish infuscated, pallid basally ; stigma and nervures dark. 

 Abdomen with a broad pure black striated band across 

 second and thiril segments, not reaching hind or lateral 

 margins ; seventh segment inconspicuous, appearing ventral, 

 obtusely bilobed in the manner of C. cobaltina, but the lobes 

 not so far apart ; fifth ventral segment bispinose ; venter of 

 abdomen with glittering white hair, except the apical part, 

 where it is brownish. 



Hub. Gualan, Guatemala, Feb. 15, 191.2 (JV. P. Cockerell). 



Resembles C. cobaltina, Cresson, differing by the notched 

 clypcal mark, the closely punctured pleura, the darker wings, 

 the absence of a stripe on anterior tibise, and the colour of 

 the abdomen. From C. polila, Fricse, it is readily known 

 by the structure of the apex of the abdomen. 



Ceratina quinquemaculata , sp. n. 



$ . — Length a little over 7 mm. 



llather slender ; luad, thorax, and abdomen shining daik 

 olive-green ; face rather narrow ; pubescence very scanty ; 

 head with bright chrome-yellow markings as follows — a 

 broad bar on clypeus (almost reaching upper and lower 

 margins, but not at all produced laterally), a large spot on 

 each side of clypeus, a bar like that on clypeus, but smaller, 

 on each side close to eyes (its middle a little below level of 



