James Dunbar / Close-up of a Sweat bee (Lasioglossum) nectaring on a flower before taking off, England, UK, September.

Solvin Zankl / Common poppy bee (Osmia papaveris / Hoplitis papaveris) spreading sand grains over its nest to hide it, Bamberg, Germany.

Solvin Zankl / Common poppy bee (Osmia papaveris / Hoplitis papaveris) filling its nest with pollen and nectar, Bamberg, Germany.

Solvin Zankl / Poppy bee (Osmia papaveris / Hoplitis papaveris) leaving its nest which is lined with Common poppy (Papaver rhoeas) petal pieces. The animal leaves the frame. Bamberg, Germany.

Solvin Zankl / Poppy bee (Osmia papaveris / Hoplitis papaveris) emerges from its nest hole and then lines its nest with a piece of Common poppy (Papaver rhoeas) petal. The animal leaves the frame. Bamberg, Germany

Solvin Zankl / Poppy bee (Osmia papaveris / Hoplitis papaveris) landing with bundled Common poppy (Papaver rhoeas) pieces. The animal enters its nest, unfolds the pieces and carefully lines the sandy walls with the...

Solvin Zankl / Poppy bee (Osmia papaveris / Hoplitis papaveris) landing with bundled Common poppy (Papaver rhoeas) petal pieces. The animal enters its nest, unfolds the pieces and carefully lines the sandy walls wi...

Solvin Zankl / Poppy bee (Osmia papaveris / Hoplitis papaveris) lines nest with pieces of petals from the Common poppy (Papaver rhoeas), Bamberg, Germany.

Neil Aldridge / Long horned orb-weaver spider (Macracantha arcuata) female spinning web, Danum Valley, Sabah, Borneo, Malaysia.

Neil Aldridge / Stingless bee (Trigona sp) flying into nest entrance and climbing into nest, Danum Valley, Sabah, Borneo, Malaysia.

Neil Aldridge / Stingless bee (Trigona sp.) takes flight with material from nest entrance as another rests beneath the opening, Danum Valley, Sabah, Borneo, Malaysia.

Neil Aldridge / Stingless bees (Trigona sp.) take flight from nest entrance as others rest near the entrance, Danum Valley, Sabah, Borneo, Malaysia.