Eulecaniinae

Đurović, Gordana, Spodek, Malkie & Ülgentürk, Selma, 2024, Investigations on the immature stages of some species of Eulecaniinae (Hemiptera: Coccomorpha: Coccidae), Zootaxa 5405 (4), pp. 451-494 : 491

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