Cicindelidia rufiventris

Most reliably distinguished from the closely related Cicindelidia punctulata (formerly Cicindela punctulata) by the absence of a distinct sutural row of green punctures on the elytra. The red-orange abdomen, exposed during flight, provides immediate field recognition. Southern populations show influence of subspecies cumatilis with blue coloration and reduced maculations, while eastern populations are darker with more developed maculations. Missouri populations represent intergrades between these forms.

Rocky clay exposures along roadsides, trails, and two-tracks through open pine forests on sandstone substrates. In Missouri, found exclusively in the Ozark Highlands region, particularly in dolomite glades and dry upland forests. Associated with well-drained, rocky soils in open to semi-open woodland settings.

Eastern and central United States. Eastern populations (nominate subspecies) range from the Atlantic coast westward. Populations showing cumatilis influence occur from southwestern Louisiana through eastern Texas, with intergrades extending north into southern Missouri. Absent from the far western United States, where the related Cicindelidia haemorrhagica occurs.

Summer-active species. Adults are present and active during July and August in Missouri and surrounding regions. Peak activity coincides with the warmest months of the year.

Diurnal predator, typical of tiger beetles. Adults are fast-running and capable of flight. In Missouri, observed to be locally abundant along rocky two-tracks and trails, with individuals sometimes allowing close approach for photography. When disturbed, flies short distances with red abdomen conspicuously exposed.

Predatory beetle in open, rocky woodland ecosystems. Functions as a visual predator of small invertebrates in glade and forest edge habitats. Part of the diverse tiger beetle fauna of the Ozark Highlands, contributing to invertebrate community structure in these specialized habitats.

Subject of conservation interest due to habitat specificity and association with threatened glade ecosystems. Studied by entomologists and citizen scientists for distribution and population monitoring. Photographed by insect macrophotographers; behavior and habitat preferences documented in natural history blogs and scientific publications.

• Cicindelidia punctulataLacks red-orange abdomen; possesses distinct sutural row of green punctures on elytra; more uniformly colored dorsally
• Cicindelidia haemorrhagicaWestern species with similar red abdomen but allopatric distribution; occurs in western North America rather than eastern/central regions

• tiger beetle
• Cicindelidae
• predatory beetle
• Ozark Highlands
• glade habitat
• summer active
• endemic
• intergrade zone

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