AXD SPECIES OF GALEBITCINjE. 
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sculpture of the median lobe of tlie anal segment of the abdomen, 
afford good diagnostic characters for the separation of the males 
of the various species. 
Specimens of all of the species described in the present paper 
are contained in my collection. P. bicolor, Jacoby, Proc. Zool. 
Soc. 1887, p. Ill, trom Ceylon, is unknown to me. 
The following Table will assist the student in working out the 
species described below. 
Table I. (Males). 
A. Elytral fovea quadridentate. 
a. Median lobe of the trilobate anal segment of the abdomen 
plane. 
b. Hinder half of the elytra (the outer margin excepted) 
rufo-fulvous 1. Buquetii. 
bb. Hinder half of elytra entirely black .... 2. distincta. 
aa. Median lobe of anal segment of abdomen more or less 
concave. 
b. Median lobe slightly concave 3. Erichsoni. 
bb. Median lobe deeply excavated. 
c. Elytral fovea with the anterior pair of teeth bifid. 
4. ambusta . 
cc. Elytral fovea with the anterior pair of teeth simple. 
5. Wallacei. 
B. Elytral fovea bidentate. 
a. Median lobe of anal segment of abdomen plane. 
b. Breast and abdomen black 6. uniplagiata. 
bb. Breast and abdomen flavous 7. flaveola. 
aa. Median lobe of anal segment concave. ... 8. brunnea. 
Table II. (Females). 
A. Pygidium entire. 
a. Apex of anal segment of abdomen deeply and narrowly 
incised 9. pectoralis. 
aa. Apex of anal segment narrowly angulate-emarginate. 
1. Buquetii. 
aaa. Apex of anal segment broadly subangulate-emarginate. 
3. Erichsoni . 
