Nc-c^' Sfccics of Sicrohi. JJ'ifh Explanatory Notes. 63 



115-112 Duller species, without lirilliancy 



1 16-123 Faintly shining but not opaque 



117-118 Antennae considerably longer than the head, 



length of the segments throughout more 



than twice the width 57. loii,i^ici>niis 



118-117 Antenn.T not much longer than the head, 



len.nth of the segments scarcely exceeding 



the width 

 119-120 ]\Iandii)les slender, hairy clothing conspicuous 58. scoriacca 

 120- 1 19 Mandibles stout, hairy clothing inconspicuous 

 121-122 Head considerably longer than wide, legs 



fuscous 59. ,L;rcicilliiiui 



122-121 Head not much longer than wide, legs dark 



brown 60. liruniicif^cs 



123-116 Opaque, or nearly so 

 124-125 Punctuation of the head extremely fine and 



inconspicuous, head almost impunctate 61. arida 



125-124 Punctuation of the head fairly coarse and 



distiict 62 punctata 



126-109 Wings hyaline, subinfuscate, or with only ;i 



faint yellowish brown pigmentation 

 127-152 Shining black, rather brilliant 

 128-131 Piceous, not deep black 

 129-130 Somewhat depressed and flat, head only a 



little longer than wide, mandibles a little 



slender, wings subinfuscate, with a faint 



yellowish brown pigmentation 63. lnuivica 



130-129 Xot depressed, length of the head nearly 



twice the width. mandil)les stout, apical 



half flattened, wings hyaline 64 t^icca 



131-128 Deep black 

 132-133 Mandibles al)normally large, l)ent near the 



base, where they are slender, distal por- 

 tion r.-ither stout, twisted and flattened 65. strrhloi^iiatha 

 133-132 Not so 

 T34-141 Mandibles slender 



135-136 Length i)f the head nearly twice the widtii 66. opaciila 



1,36-135 Length of tlie head not more than one and 



one-half times the width 

 137-140 Head smooth and glabrous, mandibles black, 



legs yellowish brown to fuscous, propo- 



deum smooth 

 138-139 Head narrowing l)ehind the eyes, antennre 



reaching tlie mesoscutum 67. iiiaiidibularis 



T.^9-138 Sides of the head parallel or nearly so, an- 

 tennae only a little longer than the head 68 iniiiuta 

 140-137 Head rough and hairy, mandibles, legs and 



base of antennje ligiit yellowisli brown. 



propodcum rugose 69. hirsuta 



l9l 



