Chermes laricis Hartig, 1839

Brunet, Bryan M. T., Raupach, Michael J., Rehage, Heinz-Otto, Havill, Nathan P. & Foottit, Robert G., 2023, Discovery of the primary aphid (Hemiptera: Aphidomorpha) and scale insect (Hemiptera: Coccomorpha) type specimens from the collection of Theodor Hartig (1805 - 1880), Zootaxa 5369 (1), pp. 89-116 : 97

Chermes laricis Hartig, 1839

Chermes laricis Hartig, 1839: 644 . SYNTYPES: 10 (field no. missing [3.16, 3.17]), Larix .

Adelges laricis ( Hartig, 1839) (change of combination— Schouteden, 1900: 138).

Adelges laricis Vallot, 1836 (senior secondary homonym and synonym— Börner & Schilder, 1932: 688, “ A. laricis Vallot, Hartig ”; Börner, 1952: 207, “ Chermes laricis Htg. 1837 , 1841 part.”). Valid

Sacchiphantes viridis ( Ratzeburg, 1843) (junior synonym—Börner, 1952: 208, “ Ch. Laricis Htg. 1841 part.”).

Specimens. Seven alatae and three apterous progredientes mounted in situ on four and three larch needles, respectively, all on two pins. There are no labels corresponding to Hartig’s notes accompanying the specimens so their collection information cannot be determined.

Remarks. Hartig (1839) also described material under the name “ Coccus laricis B[ouché]” but no specimens are labelled as such in his collection. Börner & Schilder (1932) recognized Chermes laricis Hartig, 1839 as a homonym of Adelges laricis Vallot, 1836 . However, later Börner (1952) treated it in part with Sacchiphantes viridis [= Adelges viridis ] ( Ratzeburg, 1843), but never provided a justification for this. Investigation of the potential synonymy with A. viridis and confirmation of the synonymy with A. laricis are needed.