Acanthoscelides oblongoguttatus (Fahraeus)

Napoles, Romero, de, Aracely, Cruz & Kingsolver, John M., 2009, Seed beetles (Coleoptera: Bruchidae) associated with Acacia cornigera (L.) Willd., with description of a new species of Acanthoscelides Schilsky, Insecta Mundi 2009 (93), pp. 1-11: 3

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Acanthoscelides oblongoguttatus (Fahraeus)


Acanthoscelides oblongoguttatus (Fahraeus)   , 1839

( Figure 2 View Figure 2 )

According to Johnson (1983a) this species is one of the largest in the genus, and it is the only one in the oblongoguttatus group. The V-shaped glabrous area on the vertex, the structure of the male genitalia, and its preference for seeds of Acacia   ally this bruchid to species of Mimosestes   . Our field observation showed that instead of producing a mass of eggs, A. oblongoguttatus   oviposits individual eggs on pods as do many other bruchids.

Host plants. OLD RECORDS: Acacia cornigera   (L.) Willd.; Vachellia sphaerocephala (Schltdl. and Cham.) Seigler and Ebinger.   NEW RECORD: Acacia collinsii Saff., Carr.   fed. al Ceibo, Tenosique, Tabasco, Mexico, 17/VII/2007, 12 m, De la Cruz P.A.

Distribution. OLD RECORDS: El Salvador, Guatemala, Honduras, Mexico (Campeche, Guerrero, Hidalgo, Oaxaca, San Luis Potosí, Tabasco, Tamaulipas, and Veracruz). NEW RECORDS: Belize; Rio Bravo Cons. Area, Orange Walk, 17/IV/1996, P. Kovarik & J. Shuey; Belmopan area, Cayo, 16/VII/2001, D.G. Hall & J.E. Eger (FSCA).