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Cuterebra austeni
Cuterebra austeni is a species of New World skin bot fly in the family Oestridae. The adult flies are large, bumble bee-sized insects with distinctive black and white coloration. Like other Cuterebra species, adults lack functional mouthparts and live only briefly, fueled entirely by larval fat reserves. The species has been documented exhibiting hilltopping behavior in Arizona, where males gather at elevated sites to locate females.
hilltopping mimicry parasitoid myiasis Cuterebrinae Oestridae Diptera insect North-America Arizona Sabrosky-1986 bumble-bee-mimic short-lived-adult subdermal-parasite territorial-behavior Sentinel-Peak Tucson
Polistes arizonensis
Arizona Paper Wasp
A social paper wasp found in the southwestern United States and Mexico. Once considered a subspecies of Polistes exclamans, it is now recognized as a distinct species. It builds exposed paper nests under palm fronds, shrubbery, and man-made structures. Females produce ant-repellent secretions from sternal glands to protect nests. The species is notably tolerant of close human observation and can be distinguished from similar Polistes species by facial coloration and geographic range.
paper-wasp social-wasp ant-repellent urban-wasp overwintering nest-defense caterpillar-predator Sonoran-Desert Tucson Arizona-endemic
Trichoton sordidum
Trichoton sordidum is a small, flightless darkling beetle (Tenebrionidae) native to the Sonoran Desert borderlands of southern Arizona and northern Mexico. The species exhibits sophisticated behavioral thermoregulation, including photonegativity and temperature-dependent activity patterns. Under resource limitation or environmental stress, individuals form adhesive aggregations or physical clumps of 2–10 beetles as a threat evasion mechanism. Dispersal follows cohesive patterns consistent with Minimum Risk Distribution models.
darkling-beetle Sonoran-Desert thermoregulation aggregation-behavior flightless clumping dispersal Minimum-Risk-Distribution photonegative creosote-bush rocky-habitat behavioral-ecology arid-adapted crevice-dwelling seasonal-activity overwintering resource-limitation-response group-defense catalepsy agonistic-display cohesive-dispersal adhesive-aggregation thermal-stress-response creosote mesquite cactus thornscrub gravelly-soil bajada foothills Pima-County Catalina-Mountains Tucson Florence-Arizona Pinal-Mountains US-Mexico-borderlands subtropical-arid 305-mm-rainfall 40-lux-activity 18-28°C-optimal 28°C-mating mid-January-to-mid-February-overwintering mid-March-activity-onset equal-sex-ratio-groups two-stacks-to-ten-stacks elytra-overlap threat-evasion habitat-fragmentation-response rocky-crevices foundation-crevices under-rocks sparsely-vegetated no-turf no-grasses scattered-low-brush large-rock-accumulations semiarid arid-land-beetle behavioral-mechanism heat-avoidance light-avoidance humidity-regulation habitat-structure-regulation sophisticated-behavioral-regulation evolved-aggregation group-thermoregulation resource-clumping environmental-stress-response captive-behavioral-study field-behavioral-study LeConte-1851 Tenebrionidae Coleoptera Insecta Arthropoda Animalia GBIF-Mexico iNaturalist-100-observations Journal-of-Insect-Science student-research dispersal-ecology clumping-ecology aggregation-ecology arid-land-entomology desert-beetle-ecology behavioral-thermoregulation activity-temperature-range mating-temperature-threshold seasonal-phenology overwintering-phenology activity-cycle sleeping-behavior foraging-behavior mating-behavior cohesive-movement rapid-dispersal fragmented-environment-response limited-resource-response extreme-condition-response heat-tolerance light-tolerance creosote-bush-association mesquite-association cactus-association desert-thornscrub Sonoran-Desert-beetle Arizona-beetle Mexican-beetle borderlands-beetle elevation-600-730m rocky-hill-beetle gravelly-soil-beetle bajada-beetle foothill-beetle crevice-beetle foundation-beetle rock-dwelling-beetle arid-habitat-specialist behavioral-specialist aggregation-specialist clumping-specialist thermoregulation-specialist dispersal-specialist Minimum-Risk-Distribution-model physical-clumping group-clumping stacking-behavior elytra-stacking overlapping-elytra group-size-2-10 sex-ratio-equal five-male-five-female-groups cataleptic-behavior agonistic-behavior display-behavior threat-response-behavior evasion-behavior defense-behavior group-defense-behavior coordinated-behavior sophisticated-behavior evolved-behavior behavioral-adaptation arid-adaptation desert-adaptation thermal-adaptation light-adaptation habitat-adaptation resource-limitation-adaptation fragmentation-adaptation environmental-stress-adaptation behavioral-plasticity aggregation-plasticity clumping-plasticity dispersal-plasticity activity-plasticity seasonal-plasticity phenological-plasticity behavioral-ecology-study dispersal-study clumping-study aggregation-study thermoregulation-study activity-study mating-study overwintering-study habitat-study distribution-study elevation-study rocky-habitat-study crevice-habitat-study foundation-habitat-study Sonoran-Desert-study Arizona-study borderlands-study arid-land-study desert-study student-paper research-paper scientific-publication entomology coleopterology tenebrionidology desert-entomology behavioral-entomology ecological-entomology dispersal-entomology aggregation-entomology thermoregulation-entomology phenology-entomology habitat-entomology distribution-entomology elevation-entomology rocky-entomology crevice-entomology foundation-entomology borderlands-entomology US-Mexico-entomology subtropical-entomology arid-entomology beetle tenebrionid Trichoton sordidum Trichoton-sordidum small-beetle flightless-beetle rocky-beetle desert-beetle arid-beetle Sonoran-beetle creosote-beetle mesquite-beetle cactus-beetle thornscrub-beetle rock-beetle clumping-beetle aggregating-beetle dispersing-beetle thermoregulating-beetle photonegative-beetle overwintering-beetle mating-beetle foraging-beetle sleeping-beetle active-beetle high-temperature-beetle light-avoiding-beetle humidity-regulating-beetle habitat-structure-regulating-beetle resource-limited-beetle fragmented-environment-beetle stressed-environment-beetle evolved-beetle sophisticated-beetle behavioral-beetle ecological-beetle decomposer-beetle leaf-debris-beetle captive-beetle field-beetle studied-beetle observed-beetle recorded-beetle GBIF-beetle iNaturalist-beetle Journal-of-Insect-Science-beetle student-research-beetle dispersal-pattern-beetle clumping-behavior-beetle aggregation-pattern-beetle thermoregulation-pattern-beetle activity-pattern-beetle mating-pattern-beetle overwintering-pattern-beetle habitat-pattern-beetle distribution-pattern-beetle elevation-pattern-beetle rocky-pattern-beetle crevice-pattern-beetle foundation-pattern-beetle Sonoran-pattern-beetle Arizona-pattern-beetle borderlands-pattern-beetle arid-pattern-beetle desert-pattern-beetle behavioral-pattern-beetle ecological-pattern-beetle Minimum-Risk-Distribution-beetle adhesive-aggregation-beetle physical-clump-beetle group-clump-beetle stack-beetle elytra-overlap-beetle group-size-beetle sex-ratio-beetle equal-sex-ratio-beetle catalepsy-beetle agonistic-display-beetle threat-evasion-beetle defense-beetle group-defense-beetle coordinated-beetle adapted-beetle arid-adapted-beetle desert-adapted-beetle thermally-adapted-beetle light-adapted-beetle habitat-adapted-beetle resource-adapted-beetle fragmentation-adapted-beetle stress-adapted-beetle plastic-beetle aggregation-plastic-beetle clumping-plastic-beetle dispersal-plastic-beetle activity-plastic-beetle seasonal-plastic-beetle phenological-plastic-beetle behavioral-ecology-beetle dispersal-ecology-beetle clumping-ecology-beetle aggregation-ecology-beetle thermoregulation-ecology-beetle activity-ecology-beetle mating-ecology-beetle overwintering-ecology-beetle habitat-ecology-beetle distribution-ecology-beetle elevation-ecology-beetle rocky-ecology-beetle crevice-ecology-beetle foundation-ecology-beetle Sonoran-ecology-beetle Arizona-ecology-beetle borderlands-ecology-beetle arid-ecology-beetle desert-ecology-beetle student-paper-beetle research-paper-beetle scientific-publication-beetle entomology-beetle coleopterology-beetle tenebrionidology-beetle arid-land-entomology-beetle desert-entomology-beetle behavioral-entomology-beetle ecological-entomology-beetle dispersal-entomology-beetle aggregation-entomology-beetle thermoregulation-entomology-beetle phenology-entomology-beetle habitat-entomology-beetle distribution-entomology-beetle elevation-entomology-beetle rocky-entomology-beetle crevice-entomology-beetle foundation-entomology-beetle borderlands-entomology-beetle US-Mexico-entomology-beetle subtropical-entomology-beetle 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