Insects of Saudi Arabia: Diverse Desert Adaptations
Saudi Arabia hosts thousands of insect species across its deserts, mountains, oases, and coasts.
Major Groups
- Beetles (Coleoptera): 300+ spp. Darkling beetles (Tenebrionidae) dominate deserts—wax cuticles, fog-basking. Scarabs (dung beetles) recycle waste.
- Butterflies & Moths (Lepidoptera): 250+ spp. Migrants (Painted Lady, Monarch) + residents (Arabian Green Beekeeper).
- Grasshoppers & Locusts (Orthoptera): 150+ spp. Desert Locust (Schistocerca gregaria)—plague-forming, cross-border threat.
- Ants (Hymenoptera): 100+ spp. Cataglyphis (silver ants) forage at 50°C+ using heat-shock proteins.
- Termites (Blattodea): 50+ spp. Subterranean & drywood—structural pests in cities.
Unique Adaptations
- Xerocoles: nocturnal, burrowing, metabolic water production
- Thermal tolerance: Cataglyphis bombycina survives 53.6°C
- Fog harvesting: Namib-style beetles in Asir highlands
Public Health
Mosquitoes (malaria eliminated 1970s; dengue risk in Jazan), sandflies (leishmaniasis), ticks (Crimean-Congo HF). Vector control active.