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Pomona College Jovrnal of Entomology 



wide as long, witli small scini-globiilar lateral tubercles near the base, black. 

 Meso- and Mctathoraj: — Dark brown with muscle lobes well developed and black. 

 Abdomen — Little wider than the thorax, dark brown, amber, or nearly black, with 

 amber or brownish markings on the dorsum, between the dark transverse bands, 

 and amber around the bases of the cornicles, as well as along the sides. Dark 

 markings along extreme margins, covered with rather long spines. Anal plate 

 well rounded, hairy, dark. Cornicles — (Figure 233, 1). Short, widest at the 

 base and constricted just below the mouth, which is flared, dusky amber to dusky 

 green throughout, length 0.08 mm., width of base 0.09 mm., width of mouth 0.06 

 mm. Legs — Normally developed, very hairy, coxae dark brown to nearly black. 



Figure 233. Symdobius macrostachyae F.ssig 



femora dark througliout, tibiie amber witii dark bases and tij)s, tips with a sharp 

 spur or point on the inner side, tarsi dark (Figure 233, i). Article I com|)osing 

 .about oiie-fiflli of the entire tarsi, including the claws, liairy. Jf'ings — Normally 

 large and \euatii)n fairly eonst.iut. Primary — Length 2.7 mm., greatest width 

 0.9 nun. \'eins slightly clouded, with a de])ression in the margin at the tip of 

 the stigma. Costal vein wide and dark. Subcostal wider than the costal, amber 

 to the stigma. Stigma sliort, oval with blind tij), dark with lighter streak which 

 is a continuation of the subcostal vein, below this light area the color is darkest 

 .ind the .irea is hairy. length 0. .").") uuu., width O.KS nun. Stiguial vein arises near 



