80 HTMENOPTEEA. 



This may perhaps be S. compactilis, but it does not quite agree with the description, 

 and the antennae were broken off in Cresson's single specimen, so no description is given 

 of these important organs. There is no mention of S. compactilis having a black trans- 

 verse line at base of scutellum, and the abdomen is stated to be pale yellow at base and 

 apex, which is not the case with 8. Edentata. 



5. Smicra compactilis. 



Smicra compactilis, Cresson, Trans. Am. Eut. Soc. iv. p. 50 \ 

 Hab. Mexico (Sumichrast 1 ). 



6. Smicra championi. (Tab. V. fig. 1, ?.) 



Flava, flagello brunneo, apiee nigro, facie linea medio, maculis thoracis et pedibus posticis nigris, femoribus 



posticis 4-dentatis, magnis ; alis hyalinis. 

 Long. 7 millim. 



Hab. Panama, Bugaba (Champion). 



Scape almost cylindrical, shorter than the second, third, and fourth joints together : 

 second joint a very little longer than third ; annellus a little longer than broad ; base 

 of flagellum not much thinner than apex. Head deeply excavated in front in middle, 

 the excavation black, as is also the back of the head. Prothorax and mesonotum closely 

 covered with large round punctures ; pleurae obsoletely punctured, the centre with an 

 oblique excavation, which is transversely striated and black. At the base of mesonotum 

 is a broad, black mark which does not go completely across ; in centre is a mark, narrow 

 at base and apex, wide in middle, which joins the basal one to another transverse one 

 at base of scutellum ; from this a broad mark runs to the pronotum, which it joins in 

 front of tegulae, becoming wider as it reaches the pronotum. A narrow line goes 

 through the centre of scutellum, the apex of which is entirely black ; at the base the 

 sides of scutellum are bordered with black. Scutellum bluntly bituberculate. Meta- 

 thoracic fields moderately well defined, central appendiculated, wider than long, five- 

 angled, the edges of metathorax bluntly tuberculated. Petiole half the length of 

 abdomen, and scarcely half the length of posterior coxae ; these are black at the apex. 

 There is a small mark, longer than broad, on upperside, a longer mark between and 

 touching the two apical teeth ; the trochanters, knees, and apex of tibiae are also black ; 

 teeth black, except at the base ; the three apical are three fourths of the width of 

 femora, the basal shorter, thicker, and blunter. At the base of third abdominal 

 segment is a narrow black band ; ovipositor black. 



This is a narrower and more slender species than 8. quadridentata ; the punctures on 

 the head are almost obsolete, the front is more deeply excavated, petiole longer and 

 thinner, coxae longer and thinner, the teeth are longer and sharper, and the hair on 

 the lower side of femora is very sparse, not dense as in 8. quadridentata. It seems to 

 come very near 8. exornata ; but that species has not the centre of the head black, the 



