Investigations on the immature stages of some species of Eulecaniinae (Hemiptera: Coccomorpha: Coccidae) Author Đurović, Gordana Chemical Ecology, Cardiff University, Cardiff CF 10 3 AT, UK Author Spodek, Malkie The Steinhardt Museum of Natural History, Tel Aviv University, Tel Aviv, Israel Author Ülgentürk, Selma Ankara University, Faculty of Agriculture, Department of Plant Protection, 06110, Dışkapı, Ankara, Türkiye text Zootaxa 2024 2024-02-01 5405 4 451 494 http://dx.doi.org/10.11646/zootaxa.5405.4.1 journal article 287315 10.11646/zootaxa.5405.4.1 cd372a50-a0a4-4f5d-a737-ff6787279ca9 1175-5326 10603625 F86CC6FF-CF14-4794-8364-CD1343EF9B16 Key to second-instar female nymphs of Eulecaniinae found in Ankara 1 Spiracular setae absent. Dorsum with more than 50 multilocular disc-pores. On Picea (spruce)......... Physokermes piceae - Spiracular setae present. Dorsum with about 10 multilocular disc-pores. Not on Picea ............................... 2 2 Spiracular setae numbering 2 in each spiracular cleft. Dorsum without multilocular disc-pores, or with fewer than 10 pores.. ................................................................................................... 3 - Spiracular setae numbering 3 in each spiracular cleft. Dorsum without multilocular disc pores........................ 4 3 Dorsum with multilocular disc-pores. On Abies (fir)........................................ Physokermes hellenicus - Dorsum without dorsal multilocular disc-pores. On Rosa (roses)............................. Rhodococcus perornatus 4 Spiracular setae unequal, with median seta clearly longer than lateral setae........................................ 5 - Spiracular seta lengths subequal, with median seta almost same length as lateral setae............................... 6 5 Venter with heavily rimmed pores, and abdomen with only 3 pairs of submedian setae. Marginal setae between anterior spiracular setae numbering 12...................................................... Sphaerolecanium prunastri - Venter without heavily rimmed pores, and abdomen with 6 pairs submedian setae. Marginal setae between anterior spiracular setae numbering 14‒17........................................................ Palaeolecanium bituberculatum 6 Marginal setae bluntly setose, numbering fewer than 55 between anterior spiracular setae............... Eulecanium tiliae - Marginal setae conical, numbering more than 55 between anterior spiracular setae.................................. 7 7 Dorsal tubular ducts present. Spiracular setae all similar lengths to marginal setae. Marginal setae numbering 79‒97 between anterior spiracular setae............................................................... Eulecanium cerasorum - Dorsal tubular ducts absent. At least some spiracular setae clearly longer than marginal setae. Marginal setae numbering 55‒68 between anterior spiracular setae.......................................................... Eulecanium ciliatum