Dark Flower Scarab

Euphoria sepulcralis

Classification

Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Superfamily: Scarabaeoidea
Family: Scarabaeidae
Subfamily: Cetoniinae
Tribe: Cetoniini
Genus: Euphoria
Species: sepulcralis

Pronunciation

How to pronounce Euphoria sepulcralis: /juːˈfɔːriə sɛˌpʌlˈkreɪlɪs/

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Summary

Euphoria sepulcralis, commonly known as the Dark Flower Scarab or Spangled Flower Beetle, is a species of scarab beetle characterized by its dark coloration and variable white markings. It is found throughout parts of North America, where it plays an important role as a pollinator.

Physical Characteristics

Length 9.2–13.5 mm, two color forms: very dark elytra with scattered light spots, variable spotting, some individuals have weak spotting and rusty hairs on elytra.

Identification Tips

Look for the dark coloration and white markings on the elytra. The common name 'spangled' refers to the distinctive white marks.

Habitat

Found in a variety of habitats across the southern and Central United States and Mexico.

Distribution

Texas to Florida, New York, Nebraska, and Mexico.

Diet

Adults primarily feed on pollen and nectar of late spring flowers, specifically Marshallia, and on the twig of Blackjack Oak (Quercus marilandica).

Life Cycle

Spring and late summer occurrences suggest two generations per year or overwintering adults.

Reproduction

Eggs are laid in soil under organic matter or manure, where grubs develop.

Ecosystem Role

Pollinator of late spring flowers.

Evolution

The species belongs to the subfamily Cetoniinae and has undergone taxonomic revisions and synonymizations.