hyperparasitoid of Kermania pistaciella Amsel (Lepidoptera: Tineidae), a pest of pistachio trees in Iran Zootaxa 1958 pages 61–64 (2008) 2009 (& Emilio Guerrieri) A review of the European species of the genus Trechnites Thomson (Hymenoptera: Chalcidoidea: Encyrtidae), parasitoids of plant lice (Hemiptera: Psylloidea) with description of a new species Systematic Entomology 34(2) pages 252–259 2010 (& Emilio Guerrieri; Martinus E Huigens; Catalina Estrada; Jozef B Woelke; Marjolein De Rijk; Nina E Fatouros; Annette Aiello) Ooencyrtus marcelloi sp nov (Hymenoptera: Encyrtidae), an egg parasitoid of Heliconiini (Lepidoptera: Nymphalidae: Heliconiinae) on passion vines (Malpighiales: Passifloraceae) in Central America Journal of Natural History 44(1-2) pages 81–87 2010 Encyrtidae of Costa Rica (Hymenoptera: Chalcidoidea), 3: Subfamily Encyrtinae: Encyrtini, Echthroplexiellini, Discodini, Oobiini and Ixodiphagini, Parasitoids Associated with Bugs (Hemiptera), Insect Eggs (Hemiptera, Lepidoptera, Coleoptera, Neuroptera) and Ticks (Acari) Volume 3 of Encyrtidae of Costa Rica American Entomological Institute, 2010 848pp 2011 (& Emilio Guerrieri) Acerophagus artelles sp nov (Hymenoptera Chalcidoidea Encyrtidae), a biocontrol agent of Dysmicoccus grassii (Leonardi) (Hemiptera Coccoidea Pseudococcidae) on banana in the Canary Islands (Spain) Journal of Natural History 45(1-2) pages 29–34 2013 (& J. Huber). A new genus and species of fairyfly, Tinkerbella nana (Hymenoptera, Mymaridae), with comments on its sister genus Kikiki, and discussion on small size limits in arthropods Journal of Hymenoptera Research, 32, 17-44 References Hymenopterists Welsh zoologists