Taxonomy
							
Family: Megachilidae
Subfamily: Megachilinae
Tribe: Anthidiini
Genus: Pseudoanthidium, Friese 1898
Subgenus: Pseudoanthidium, Friese 1898
Species: Pseudoanthidium bytinskii Mavromoustakis, 1948
 
							
							Background
							Pseudoanthidium bytinskii are medium to small, 9 – 10 mm bees. They have black 
integumentintegument:
a tough, protective outer layer
 with extensive yellow markings on their head, thorax, legs, and abdomen. They have thin white 
pubescencepubescence:
 short, fine hair
 that covers their body (
Warncke 1980Warncke 1980:
Warncke, K. 1980. Die Bienengattung  Anthidium  Fabricius, 1804 in der Westpalaarktis und im turkestanischen Becken. Entomofauna 1: 119ndash;210.). 
							
							
Distribution
							Pseudoanthidium bytinskii is known from South Israel (
Warncke 1980Warncke 1980:
Warncke, K. 1980. Die Bienengattung  Anthidium  Fabricius, 1804 in der Westpalaarktis und im turkestanischen Becken. Entomofauna 1: 119ndash;210.).

​Distribution map generated by Discover Life -- click on map for details, credits, and terms of use.
 
							
							Host associations
							Floral associations are unknown. 
							
							
Diagnostic characteristics
							
	- Axilla axilla:
 the triangular or rounded point on the thorax where thoracic muscles meet the forewing of an insect
  spined. spined.
- Female mandiblemandible:
 bee teeth, so to speak, usually crossed and folded in front of the mouth
  seven-toothed. seven-toothed.
- Male T7T7:
 the segments on the top side of the abdomen, often abbreviated when referring to a specific segment to T1, T2, T3, T4, T5, T6, or T7
  with broad emarginationemargination: with broad emarginationemargination:
 a notched or cut out place in an edge or margin, can be dramatic or simply a subtle inward departure from the general curve or line of the margin or structure being described
 .
May be confused with
							The spined 
axillaaxilla:
the triangular or rounded point on the thorax where thoracic muscles meet the forewing of an insect

 of 
Pseudoanthidium bytinskii make it easily distinguishable from other 
P. (
Pseudoanthidium). 
							
							
Nesting behavior
							Little is known about the nesting biology of
 Pseudoanthidium bytinskii but most species of 
Pseudoanthidium nest in pre-existing cavities in wood, stems, galls or crevices (
Litman et al. 2021Litman et al. 2021:
Litman, J. R., Fateryga, A. V., Griswold, T. L., Aubert, M., Proshchalykin, M. Y., Le Divelec, R., Burrows, S. & Praz, C. J. 2022. Paraphyly and low levels of genetic divergence in morphologically distinct taxa: revision of the Pseudoanthidium scapulare complex of carder bees (Apoidea: Megachilidae: Anthidiini). Zoological Journal of the Linnean Society, 195(4): 1287-1337.). 
							
							
Known invasives
							There are no known invasives.