, ▁Pa ull in ia , ▁Rh us , ▁S col op ia , ▁Sc ut ia ▁and ▁Un car ia ▁species . ▁They ▁are ▁attended ▁by ▁an ts ▁of ▁the ▁family ▁Form ic idae . ▁ ▁References ▁ ▁External ▁links ▁Die ▁G ross - Sch met ter ling e ▁der ▁Er de ▁ 1 3 : ▁Die ▁Af rik an ischen ▁Tag f alter . ▁Pl ate ▁XIII ▁ 6 9 ▁c ▁ ▁Category : But ter f lies ▁described ▁in ▁ 1 7 8 2 ▁Category : A ph na eus ▁Category : T ax a ▁named ▁by ▁Dru ▁Dr ury <0x0A> </s> ▁Ger tr ud ▁K app el ▁( s ometimes ▁Ger tr ude ) ▁( Se ptember ▁ 1 , ▁ 1 8 8 4 ▁– ▁April ▁ 3 , ▁ 1 9 7 1 ) ▁was ▁a ▁German ▁sop rano . ▁ ▁Born ▁in ▁Halle , ▁K app el ▁studied ▁in ▁Leipzig ▁before ▁making ▁her ▁debut ▁in ▁Il ▁trov atore ▁in ▁Han over ▁in ▁ 1 9 0 3 . ▁She ▁was ▁active ▁in ▁many ▁major ▁opera ▁houses ▁during ▁her ▁career , ▁and ▁was ▁on ▁the ▁ro ster ▁in ▁Mun ich ▁from ▁ 1 9 2 7 ▁until ▁ 1 9 3 1 ; ▁she ▁also ▁sang ▁at ▁the ▁Metropolitan ▁Opera ▁from ▁ 1 9 2 8 ▁until ▁ 1 9 3 6 , ▁the ▁San ▁Francisco ▁Opera ▁from ▁ 1 9 3 3 ▁until ▁ 1 9 3 7 , ▁and ▁the ▁Royal ▁Opera ▁House . ▁She