Cosmoscarta is a genus of froghoppers found in the Indo-Malayan region. Many of the species are boldly marked in black and red or yellow. A few species are of economic importance as they can cause injury to plants under cultivation.

The genus was erected by Stål on the basis of a large frons extending almost to the eyes and lacking any longitudinal furrows or keels. The hind tibia has a strong spine at the mid position and sometimes a smaller spine near the base. The related genus Phymatostetha has a narrower pronotum with the posterior margin straighter or with a sinuate margin before the scutellum.

Cosmoscarta

Cosmoscarta dorsimacula is sometimes considered a pest on glutinous rice yam (Dioscorea alata). Cosmoscarta relata has been recorded in large numbers on jackfruit (Artocarpus heterophyllus).

Cosmoscarta

Species in the genus include:

Cosmoscarta

Cosmoscarta abdominalis

Cosmoscarta aerata

Cosmoscarta affinis

Cosmoscarta amabilis

Cosmoscarta amymone

Cosmoscarta andamana

Cosmoscarta angulifera

Cosmoscarta apiana

Cosmoscarta arethusa

Cosmoscarta assamensis

Cosmoscarta balteata

Cosmoscarta bicincta

Cosmoscarta bicolor

Cosmoscarta bimacula

Cosmoscarta bipunctata

Cosmoscarta bispecularis

Cosmoscarta boutharensis

Cosmoscarta brevis

Cosmoscarta brevistriga

Cosmoscarta bruneoscutellata

Cosmoscarta callirrhoe

Cosmoscarta callizona

Cosmoscarta carens

Cosmoscarta carpentieri

Cosmoscarta castanea

Cosmoscarta celebesensis

Cosmoscarta chrysomelaena

Cosmoscarta concisa

Cosmoscarta confinis

Cosmoscarta consociata

Cosmoscarta contigua

Cosmoscarta convexa

Cosmoscarta coronis

Cosmoscarta decisa

Cosmoscarta dimidiata

Cosmoscarta diminuta

Cosmoscarta dimota

Cosmoscarta discessa

Cosmoscarta discrepans

Cosmoscarta dorsalis

Cosmoscarta dorsimacula

Cosmoscarta dryope

Cosmoscarta ducens

Cosmoscarta egens

Cosmoscarta egentior

Cosmoscarta egeria

Cosmoscarta elegantula

Cosmoscarta exultans

Cosmoscarta fictilis

Cosmoscarta flora

Cosmoscarta florella

Cosmoscarta forcipata

Cosmoscarta fumosa

Cosmoscarta fuscoapicalis

Cosmoscarta gracilis

Cosmoscarta gravelyi

Cosmoscarta greeni

Cosmoscarta hainanensis

Cosmoscarta hecuba

Cosmoscarta heroina

Cosmoscarta herossa

Cosmoscarta himalayana

Cosmoscarta hyale

Cosmoscarta hyalinipennis

Cosmoscarta ignifera

Cosmoscarta imrayi

Cosmoscarta inconspicua

Cosmoscarta indecisa

Cosmoscarta innominata

Cosmoscarta innota

Cosmoscarta insularis

Cosmoscarta irresoluta

Cosmoscarta lacerata

Cosmoscarta lateralis

Cosmoscarta laticincta

Cosmoscarta lestachei

Cosmoscarta leucothoe

Cosmoscarta liriope

Cosmoscarta luangana

Cosmoscarta lunata

Cosmoscarta macgillivrayi

Cosmoscarta maculifascia

Cosmoscarta mandarina

Cosmoscarta mandaru

Cosmoscarta margheritae

Cosmoscarta maura

Cosmoscarta metallica

Cosmoscarta miniata

Cosmoscarta minor

Cosmoscarta mnemosyne

Cosmoscarta montana

Cosmoscarta nagasana

Cosmoscarta naiteara

Cosmoscarta nexa

Cosmoscarta nigriceps

Cosmoscarta nigriventris

Cosmoscarta nigroguttata

Cosmoscarta nitidula

Cosmoscarta nycteis

Cosmoscarta nympha

Cosmoscarta ochraceicollis

Cosmoscarta orchymonti

Cosmoscarta orithyia

Cosmoscarta pallida

Cosmoscarta palopona

Cosmoscarta peguensis

Cosmoscarta pellucida

Cosmoscarta perstrigata

Cosmoscarta pictilis

Cosmoscarta pirene

Cosmoscarta prompta

Cosmoscarta pronotalis

Cosmoscarta psecas

Cosmoscarta pulchella

Cosmoscarta putamara

Cosmoscarta raja

Cosmoscarta relata

Cosmoscarta rhanis

Cosmoscarta rubromaculata

Cosmoscarta rubroscutellata

Cosmoscarta samudra

Cosmoscarta sanguinolenta

Cosmoscarta semimaculata

Cosmoscarta septempunctata

Cosmoscarta sequens

Cosmoscarta sexmaculata

Cosmoscarta shillongana

Cosmoscarta silpha

Cosmoscarta siniphila

Cosmoscarta sulukensis

Cosmoscarta sumbawana

Cosmoscarta sundana

Cosmoscarta sylvestris