Dicyrtoma fusca
(Lubbock, 1873)
Dicyrtoma fusca is a of globular springtail in the Dicyrtomidae, distributed across the United States and Europe. The species exhibits variable coloration ranging from yellowish-red to dark red, with a distinctive pattern of two intersecting stripes forming a cross shape on the back. A lighter form (var. 1) and a darker (D. fusca var. rufescens) have been described, with the latter being predominantly European and characterized by yellowish . The species possesses the characteristic pronged typical of the Dicyrtoma.
Pronunciation
How to pronounce Dicyrtoma fusca: /dɪˈsɪrtəmə ˈfʊska/
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Identification
Distinguishable from other Dicyrtoma by the combination of reddish coloration and two intersecting stripes creating a cross-shaped pattern on the dorsum. The pronged are a -level trait but serve as a confirming character. Color variants exist: lighter yellowish-red forms versus darker red forms. The European D. fusca var. rufescens can be recognized by its yellowish coloration and dark red patterning.
Images
Distribution
United States; Europe. Specific regional records include the Azores (Faial, Flores, Pico, São Miguel) and Arctic/Sub-arctic regions.
Similar Taxa
- Dicyrtoma fusca var. rufescensEuropean with same pronged but distinguished by yellowish discolored and dark red patterning
- Dicyrtoma fusca Var 1Lighter yellowish-red color form of the nominate