Key to genera of New World Odontolochini




Дата канвертавання26.04.2016
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Key to genera of New World Odontolochini (Scarabaeidae: Aphodiinae)

1. Anterior clypeal margin with medial series of small teeth, appearing serrate (Fig. 1)

………………………………………………………………… Saprositellus Balthasar

1'. Anterior clypeal margin entire, lacking teeth (Fig. 2) …………………………… 2












Figure 1. Saprositellus ariquemes.




Figure 2. Saprolonchus tambopatae.

2(1). Pronotum with coarse punctures restricted to broad transverse depression along basal third, anterior 2/3 swollen and finely punctate (Fig. 3) …….. Stebnickiella Skelley

2'. Pronotum with punctures evenly distributed, base lacking broad transverse depression

……………………………………………………………………………………………. 3















Figure 3. Stebnickella zosterixys.



3(2). Body elongate, surface argillaceous; head with punctures evenly distributed, obscured by argillaceous coating (Fig. 4); pronotum with 2 medial longitudinal ridges; alternate elytral intervals weakly carinate ………………………….. Amerilochus Skelley



3'. Body stout, surface not argillaceous, can be somewhat dulled (alutaceous)or glossy; head with band of large punctures at base, extremely fine punctures anteriorly (Fig. 2); pronotum evenly convex, lacking longitudinal ridges; elytral intervals similarly developed ……………………………………… Saprolochus Stebnicka and Galante









Figure 2. Saprolonchus tambopatae.




Figure 4. Amerilochus cinereus.


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