Aradus Fabricius

Contreras, Eugenia Fernanda & Coscarón, María Del Carmen, 2012, The Aradidae (Insecta, Hemiptera, Heteroptera) of Argentina, Zootaxa 3500, pp. 1-35 : 8

Key to species of genus Aradus Fabricius of Argentina

1. All antennal segments uniformly brown.................................... Aradus angustellus Blanchard ( Fig 3 C)

1’. Not all antennal segments uniformly brown................................................................. 2

2. Only the antennal segment III light colored.................................... Aradus penningtoni Drake ( Fig 4 B)

2’. More of one antennal segment light colored................................................................. 3

3. The antennal segment III and basal half of IV yellowish......................... Aradus brasiliensis Usinger ( Fig 3 B)

3’. Antennal segment I, ¾ basal of segment II and ¼ basal of segment III dark; the remainder yellowish........................................................................................... Aradus mexicanus Usinger ( Fig 4 A)

Figures

FIGURE 3. Subfamilies Aneurinae and Aradinae. Dorsal view and postocular tubercles Iralunelus monrosi: A; Dorsal view, mandibular plates and triangular paratergite Iralunelus subdipterus: B; Dorsal view Aradus angustellus: C; Dorsal view Aradus brasiliensis: D.

FIGURE 4. Subfamily Aradinae and Isoderminae. Dorsal view Aradus mexicanus: A; Dorsal view Aradus penningtoni: B; Dorsal view and forewings with line of weakness Isodermus gayi: C; Base of labium free and exposed Isodermus gayi: D.