Ellipsoptera lepida

Distinguished from other tiger beetles by its almost pure white dorsal coloration and greatly expanded maculations that leave minimal dark patterning. The combination of small size (9–11 mm), white/cream elytra with reduced brown markings, and dense white setae on the head and thorax separates it from sympatric sand-dwelling species such as Cicindela formosa (larger, more robust, with bold maculations and brown coloration) and C. scutellaris (metallic green, blue, or coppery coloration). When disturbed, adults fly short distances and land quickly, blending immediately into the substrate.

Small tiger beetle, 9–11 mm in length. Dorsal surface predominantly white or cream-colored. Head and thorax green or reddish, covered with dense white setae. Elytral maculations are greatly expanded, leaving only small areas of white-brown coloration. The overall pale coloration provides effective camouflage against white sand substrates.

Pure white to pale yellow dry sandy areas with sparse or no vegetation. Commonly found on coastal shorelines and large lake shores. In inland areas, occupies deep sand deposits along major river systems, particularly areas with deposits deep enough to become dry. Habitats are characterized by open, barren sand with minimal vegetative cover; successional changes leading to forest establishment eliminate suitable habitat.

Central America and North America. Documented from Canada, Mexico, and the United States. In the United States, occurs across central North America from the Great Plains eastward, with records along the Missouri and Mississippi River systems. Distribution is patchy and localized; many historical populations no longer persist. Listed as state threatened in Minnesota.

Active during summer months. Adults emerge in summer and are sexually mature during this period. Two-year life cycle with sexually immature adults emerging in fall, passing winter in burrows, and emerging again in spring ready to mate and lay eggs.

Two-year life cycle. Sexually immature adults emerge in fall, overwinter in burrows, and emerge in spring to mate and oviposit. Larvae develop in burrows in sandy substrate. Adults are present and active during summer months.

Adults are extremely wary and difficult to approach. When disturbed, they fly short distances and land quickly, often becoming nearly invisible against the white sand substrate. They exhibit "disappearing" behavior—capable of seeming to vanish even when observers are looking directly at them due to their cryptic coloration. Adults are most active during morning and late afternoon, avoiding midday heat.

Predator in open sand habitats. As a tiger beetle, likely preys on small arthropods in the sandy microhabitat. Population presence indicates intact, early-successional sand habitats with minimal vegetation cover.

Subject of conservation concern due to habitat loss; listed as state threatened in Minnesota. Loss of populations at historical sites documented, attributed to habitat succession and revegetation. Serves as an indicator species for early-successional sand habitats. Popular among tiger beetle enthusiasts due to its distinctive appearance and challenging observation.

• Cicindela formosaLarger (typically 12–17 mm), more robust body, brown to reddish-brown coloration with bold, contrasting maculations rather than near-white appearance. Exhibits longer escape flights with characteristic bouncing landing, unlike E. lepida's short flights.
• Cicindela scutellarisMetallic green, blue, or coppery coloration with variable maculations; lacks the pure white/cream dorsal coloration and dense white setae of E. lepida. Often found in similar sand habitats but readily distinguished by color.
• Ellipsoptera gratiosaSimilar white coloration with expanded maculations, but occurs in coastal pine barrens of the Atlantic coastal plain from Virginia to Florida panhandle; ranges do not overlap with E. lepida, which is primarily inland and central North American.
• Ellipsoptera hirtilabrisSimilar white coloration and expanded maculations, but restricted to peninsular Florida; distinguished by dense prostrate hairs on the labrum (the "moustache"). Allopatric distribution separates the two species.

• tiger beetle
• Cicindelidae
• sand habitat
• cryptic coloration
• conservation concern
• North America
• Central America

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• Catalogue of Life
• Coleoptera | Beetles In The Bush | Page 8
• Moustached Tiger Beetle | Beetles In The Bush
• Cicindela lengi vs. Cicindela formosa | Beetles In The Bush
• Ghost Tiger Beetle Ellipsoptera lepida (Dejean)