(Turienzo, Paola & Iorio, Osvaldo Di 2008)
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- Alphitobius diaperinus Turienzo, Paola, 2008, Zootaxa 1871: 40-41.
This darkling beetle is a common cosmopolitan insect pest of poultry houses, particularly in broiler sheds. All stages of the pest can act either as reservoirs or external carriers of eight serious avian/poultry diseases including Newcastle and Mareks disease, and fowl pox, and can also act as intermediate hosts for tapeworms and protozoans. The species is believed to have originated in tropical east Africa. It occurs naturally in bird and bat nests where it feeds on droppings and animal parts such as feathers and carcasses. Because of its natural association with animals, in particular birds, this tropical species is well suited to the warm humid conditions that occur in heated or insulated poultry and other intensive livestock houses. The beetle is also known to be a pest of animal feed within these systems (Lambkin 2001).
Recorded from Misiones: Bonpland; San Ignacio; Salta (without locality), Tucumán: Famaillá, and Córdoba: Alta Gracia (specimens at the MACN); Santiago del Estero: Trinidad, I- 1996, D. Vezzani leg., 1 ex. (ODI); Entre Ríos: Federación, Zubaran leg., 24 -VIII-2004, 1 ex. (GZSM), 22 -I-2005, 1 ex. (GZSM). The species was found in only one nest from Santa Fe (Table 2), new province record. Life history unknown. Phobelius semigranosus Fairmaire Blackwelder (1945) lists nine species in the genus. Two are known from Argentina: P. semigranosus Fairmaire, and P. vianai Pic. Comparing the specimens found in the nests of A. annumbi (Table 1) with P. vianai [[[Argentina]]: Entre Ríos: [without locality], 3 -XI- 1931, Bridarolli leg., 1 ex. (ODI), “ Phobelius / vianai Pic / det. H.J. Molinari”], P. semigranosus [[[Argentina]]: “Rep. Argentina / Prov. Tucumán / 9.II. 1904 / C. Bruch” printed on white cardboard, date handwritted, “ Typus ” printed on pale green paper, “ Phobelius / semigranosus / Fairm.” handwritten by Bruch inside a red frame, “ Phobelius / semigranosus Fm. Tucum. ” handwritten by Fairmaire, 1 ex. (CBBA); Buenos Aires: San Miguel, 3 -II- 1932, Williner leg., 1 ex. (ODI), “ Phobelius / semigranosus / Fairm. / det. H.J. Molinari”], and P. crenatus (Blanchard) [1 ex. (CBBA)], specimens from nests of A. annumbi were clearly P. semigranosus.
The larvae build a fragile cocoon with very thin walls for pupation. Material of the cocoon is unknown. Although this cocoon was found in a nest of another bird (Phacellodomus ruber), it is cited here because this behavioral character of a Tenebrionidae was hitherto unknown (Watt 1974).
- Turienzo, Paola; Iorio, Osvaldo Di; 2008: Insects found in birds’ nests from Argentina: Anumbius annumbi (Vieillot, 1817) (Aves: Furnariidae), Zootaxa 1871: 40-41. doi