Bactericera nigricornis

Bactericera nigricornis (Foerster, 1848) Feeds on Polyphagous (Ossiannilsson 1992). In Bulgaria, reported from Allium cepa L. (Konov 1961), Brassica oleracea L., Daucus carota L. (Harizanov and Lauterer 1968) and Solanum tuberosum L. (Harizanov 1970). Distribution General distribution. Palaearctic. Distribution in Bulgaria (Fig. 102 b). Published records: DEP, DW, PT, RPP, RRW (Konov 1961, Harizanov and Lauterer 1968, Głowacka and Harizanov 1983, Głowacka 1989). Material examined: ROP, ROV, RPP, RPR. Notes The report by Konov (1961) on B. nigricornis from Allium cepa could concern the similar Bactericera tremblayi (Wagner, 1961), which is known from onion and leek crops in neighbouring countries (Serbia, Greece and Turkey: Jerinić-Prodanović (2010), Ouvrard and Burckhardt (2012)), but has not been documented from Bulgaria. Diagnosis Adult (Fig. 102 a) and fifth-instar immature. Ossiannilsson (1992), Burckhardt and Freuler (2000).