Identification
scutellum longer than wide, with rather parallel sides (only shared with a S. American genus)
males of the two US
Algarobius spp.
lack sulci and are externally indistinguishable from ea. other
(2)
females are easily differentiated in the US by the position of the sulci (compare figures 645 and 652)
(2)
Algarobius prosopis (LeConte) - female w/
sulci nearly confluent with apical margin (2)
- Range: sw US / Mex.
Algarobius bottimeri Kingsolver - female w/
sulci centered one-third from apex (2)
- Range: mostly w/in TX
Key to Species of U.S.
Algarobius (2)
1 With pair of polished sulci on pygidium (figures 645 and
652) (females).................................................................2
Without sulci on pygidium (figures 644 and 651) (males)
........................................................................................3
2(1) Pygidium slightly convex, sulci centered one-third from
apex (figure 645)
.......................................................bottimeri Kingsolver
Pygidium strongly convex apically, sulci nearly confluent
with apical margin (figure 652).......prosopis (LeConte)
3(1) Median lobe of genitalia with thickened frame surrounding
ventral valve; internal sac armature as in figure 646.
.......................................................bottimeri Kingsolver
Median lobe of genitalia with membranous frame surrounding
ventral valve; internal sac armature as in figure
655.
........................................................prosopis (LeConte)
Range
sw. US to Colombia and Venezuela
(2)Print References
Kingsolver, J.M. 1986. A taxonomic study of the genus Algarobius (Coleoptera: Bruchidae). Entomography 4: 109-136.
