Insects: Hemiptera; Coleoptera; Hymenptera

Article 
Zootaxa 3193: 1–27 (15 Feb. 2012) 0 plate; 98 references                            Accepted: 2 Dec. 2011
An annotated checklist of the psyllids of California (Hemiptera: Psylloidea) 
DIANA M. PERCY (Canada), ALESSANDRA RUNG (USA) & MARK S. HODDLE (USA)
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Article 
Zootaxa 3193: 28–52 (15 Feb. 2012) 17 plate; 17 references                            Accepted: 15 Dec. 2011
New species and revalidations of scarab beetles (Coleoptera: Geotrupidae: Athyreini and Coleoptera: Scarabaeidae: Scarabaeinae) from Costa Rica and Panama 
BERT KOHLMANN & ÁNGEL SOLÍS (Costa Rica)
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Article 
Zootaxa 3193: 53–61 (15 Feb. 2012) 9 plate; 10 references                            Accepted: 14 Dec. 2011
Plectrosternus Lacordaire, 1857 (Coleoptera: Elateridae); genus new to north-ern Western Ghats, India with a description of one new species 
AMOL PATWARDHAN & R. P. ATHALYE (India)
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Article 
Zootaxa 3193: 62–68 (15 Feb. 2012) 2 plate; 18 references                            Accepted: 14 Dec. 2011
A new species of Proaphelinoides Girault (Hymenoptera: Aphelinidae) with a key to world species and additional records from Tamil Nadu, India 
C. MENAKADEVI & S. MANICKAVASAGAM (India)
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