Gallery

Orientation flight
Heavy flight at colony entrance (likely orientation flights by workers); photo by Lawrence John Connor

Parasitic mite syndrome
Spotty brood, uncapped pupal cells (purple boxes); worker bee with DWV (blue oval); dying larva known as snot brood (turquoise oval); queen without retinue (blue arrow); photo by Robert Snyder

Parasitic mite syndrome
PMS spotty brood pattern, snot brood; photo by Robert Snyder

Parasitic mite syndrome
PMS snot brood; photo by Robert Snyder

Parasitic mite syndrome
Uncapping and recapping behavior of hygienic bees; photo by Steve Gomes

Parasitic mite syndrome
PMS test of rapidity of removal of pupae killed by liquid nitrogen; shows excellent removal by highly hygienic bees; photo by Robert Snyder

Parasitic mite syndrome
PMS spotty brood; photo by Ana Heck

Parasitic mite syndrome
PMS spotty brood pattern; photo by Robert Snyder

Parasitic mite syndrome
A spotty brood pattern; photo by Robert Snyder

Parasitic mite syndrome
Spotty brood pattern; photo by The BeeMD photo collection

Pesticide poisoning
Evidence of pesticide kill; photo by Ellen Topitzhofer

Pesticide poisoning
Entombed cells of bee bread; thought to be a way of avoiding pesticide poisoning; photo by BeeInformed Partnership

Pesticide poisoning
Apparent pesticide poisoning; photo by Dewey M. Caron

Pesticide poisoning
Heavy sudden death through pesticide kill; dead bees on screen bottom board; photo by Dewey M. Caron

Pesticide poisoning
Dead bees on gound indicative of pesticide kill; photo by Ellen Topitzhofer

Pollen- or honey-bound colony
Capped honey and nectar limiting brood expansion in top box; photo by Dewey M. Caron

Pollen- or honey-bound colony
Bee brood expansion restricted by cells filled with bee bread and honey; photo by Dewey M. Caron

Pollen- or honey-bound colony
A frame of stored bee bread that could indicate a pollen-bound colony; photo by Bill Hesbach

Propolis
Heavily propolyzed alternate entrance between boxes; photo by Dewey M. Caron

Propolis
Propolis closing gap from hive damage on the side of colony; photo by Dewey M. Caron

Propolis
Propolis (reddish colored) used to close damage to wooden hive possibly due to mouse gnawing; photo by The BeeMD photo collection

Propolis
Bees using propolis to reduce hive entrance/exit holes to one-bee-size; photo by The BeeMD photo collection

Propolis
Worker comb cells with propolis reinforcement; photo by The BeeMD photo collection

Propolis
Propolis (reddish material) cementing frame top bar to side of hive box; photo by Dewey M. Caron

Propolis
Propolis on edge of box; photo by Dewey M. Caron

Propolis
Propolis on rim of hive box; used to close area between box and upper box/hive covers; photo by The BeeMD photo collection

Propolis
Propolis along top bar of frame; photo by Dewey M. Caron

Propolis
Bees using propolis to reduce entry/exit circle to single bee-size holes; photo by Dewey M. Caron

Propolis
Bees reducing size of entry/exit opening with propolis; photo by Dan Wyns

Propolis
Propolis jails to imprison small hive beetle adults; photo by The BeeMD photo collection

Queen cup
Queen cup; photo by The BeeMD photo collection

Queen cup
Open queen cells containing larvae and royal jelly; photo by Charles Vanden Heuvel