balk bar beam borer gnarl hole joist knag knot knur knurr pattern texture wood bee bug Carpenter Bee closeup hovering Hymenoptera India insect Insecta krayker macro mandibles pest pheromone pollinators shiny tunneling Xylocopa Xylocopinae Xylocopini animal arthropod beetle black body boring buprestidae carapace Ceiba close close-up colorful colourful crawler creature critter euchroma free giant gigantea giganteum green image invertebrate isolated isolation leg legs magenta photo photograph picture pink red resource scarab shell somadjinn stock taxidermied taxidermy UP white yellow