The scale insects (Hemiptera: Coccoidea) of the Maltese Archipelago Author Mifsud, David Institute of Earth Systems, Division of Rural Sciences and Food Systems, University of Malta, Msida, Malta. david.a.mifsud@um.edu.mt Author Mazzeo, Gaetana Dipartimento di Gestione dei Sistemi agroalimentari e ambientali, University of Catania, Italy. Author Russo, Agatino Dipartimento di Gestione dei Sistemi agroalimentari e ambientali, University of Catania, Italy. Author Watson, Gillian W. Plant Pest Diagnostic Center, California Department of Food & Agriculture, Sacramento, California, U. S. A. text Zootaxa 2014 2014-09-25 3866 4 499 525 journal article 4339 10.11646/zootaxa.3866.4.3 a8118ca5-6988-4abd-8bb7-f0ef0020a93f 1175-5326 4930613 362D4DC7-7505-42C1-B438-9B195B48125C Diaspis echinocacti (Bouché, 1833) Recorded by Borg (1932) (as Diaspis calyptroides Costa ), occurring on Cereus peruvianus , C. grandiflorus , C. macdonaldi , Echinopsis eyriesii and various species of Opuntia . Material examined: MALTA , Siggiewi , 19.iii.1994 , 2 ♀♀ on Zygocactus truncatus , SA ; Għargħur , 11.viii.1994 , 11.viii.1994 , 3 ♀♀ on Opuntia sp. , DM ; Qawra, 17.ii.2012 , 5 ♀♀ on Opuntia sp. , CM .