Center of studies on
Subterranean Biology

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HOCH, H., FERREIRA, R. L. Ferricixius davidi gen.n., sp.n. – the first cavernicolous planthopper from Brazil (Hemiptera: Fulgoromorpha: Cixiidae). Deutsche Entomologische Zeitschrift, v.59, p.201 - 206, 2012.
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HOCH, H., FERREIRA, R. L. Potiguara troglobia gen. n., sp. n. – first record of a troglobitic Kinnaridae from Brazil (Hemiptera: Fulgoromorpha). Deutsche Entomologische Zeitschrift. , v.60, p.33 - 40, 2013.
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