Leafcutting Bees

Figures 15–20. 15, 16 Osmia calaminthae, females 15 Propodeal triangle of paratype specimen 16 T1–T3 of holotype specimen 17–20 Osmia calaminthae, male paratype 17 Dorsal habitus 18 Lateral habitus 19 Face 20 Mandibles

Figure 6.Apical edge of clypeus of male a Megachile (Megachiloides) chomskyi, new species (holotype), and b Megachile (Megachiloides) amica Cresson. Red arrow shows median tubercle.

Hobro, Jylland, Danmark

Figures 15–16.Photomicrographs of male head of Chalicodoma (Alocanthedon) apoicola Engel, sp. n. depicting juxtamandibular flange/lamella and postgenal depression 15 Right lateral aspect of apical portion of head 16 Ventral aspect of right side of head.

Figures 21–26. Osmia calaminthae, male paratypes 21 Propodeal triangle 22 T6 and T7 23 S3 and S4, dorsal view 24 S3 and S4, oblique view 25 Genital capsule, dorsal view 26 Genital capsule, lateral view.

Figure 7.Male Megachile (Megachiloides) chomskyi, new species (holotype); a sternum 8 b sternum 6 c sternum 5, and genitalia in dorsal (d) and ventral (e) view.

Hobro, Jylland, Danmark

Figures 17–22.Photomicrographs of male of Chalicodoma (Alocanthedon) memecylonae Engel, sp. n. 17 Dorsal habitus 18 Facial aspect 19 Lateral aspect of head, arrow indicates postgenal flange, note also broad, medial inferior protuberance of male mandible 20 Detail of forewing medial cell 21 Protarsus, pro-pretarsus, and apex of protibia 22 Dorsal aspect of metasomal terga V and VI.

Figures 1–10.Male of Afroheriades hyalinus, sp. n. (paratypes except holotype in Fig. 1) 1 Lateral habitus 2 Facial view 3 Metanotum and pitted propodeal base bounded posteriorly by a carina 4 Ventral view of metasoma; note the large hyaline lamella of S2 5 S3 6 Detail of S4 and S5 with arrow pointing to erect, oval tuft of bristles 7 S6 8 S7 and S8 9, 10 Genital capsule in dorsal (left half), ventral (right half), and profile views.

Figure 8.Female Megachile (Megachiloides) chomskyi, new species (paratype). a lateral habitus b face c mandible.

Hobro, Jylland, Danmark

Figures 23–25.Photomicrographs of female of Chalicodoma (Alocanthedon) memecylonae Engel, sp. n. 23 Dorsal habitus 24 Facial aspect 25 Dorsal aspect of mesoscutum and mesoscutellum.

Figures 11–13.Female of Afroheriades hyalinus, sp. n. 11 Lateral habitus 12 Facial view 13 Ventral view of head showing anterior and posterior limbs of hypostomal carina. al = anterior limb or portion of carina curving towards posterior margin of mandibular socket; pl = posterior limb.

Figure 9.Metasomal terga of female a Megachile (Megachiloides) chomskyi, new species (paratype), and b Megachile (Megachiloides) amica Cresson.

Hobro, Jylland, Danmark

Figures 26–34.Photomicrographs of representative male genitalia for species of Alocanthedon Engel and Gonzalez, subgen. n. in ventral, lateral and dorsal aspects 26–28 Chalicodoma (Alocanthedon) odontophorum Engel, sp. n. 29–31 C. (A.) memecylonae Engel, sp. n. 32–34 C. (A.) atratiforme (Meade-Waldo).

Figures 14–17.Female holotype of Noteriades jenniferae, sp. n. 14 Lateral habitus 15 Dorsal habitus 16 Facial view 17 Detail of mesosoma in dorsal view.

Hobro, Jylland, Danmark

Figure 1.Photograph of majority of amber piece (middle Eocene, Baltic amber) indicating relative positions of two individuals of Ctenoplectrella phaeton Gonzalez and Engel, sp. n. (AMNH Ba-JVe-161); holotype is at right, paratype at upper left on curved edge of piece.

Figures 18–23.Male of Noteriades jenniferae, sp. n. 18 Lateral habitus 19 Facial view 20 S5 and S6 21 S8 22, 23 Genital capsule in dorsal (left half), ventral (right half), and profile views.

Hobro, Jylland, Danmark

Figures 2–4.Photomicrographs of Ctenoplectrella phaeton Gonzalez and Engel, sp. n. (AMNH Ba-JVe-161) in middle Eocene Baltic amber. 2 Dorsal aspect of holotype female 3 Ventral aspect of holotype female 4 Dorsal aspect of paratype female.

Figures 24–27.Female of Noteriades spinosus, sp. n. (paratypes except holotype in Fig. 24) 24 Lateral habitus 25 Facial view 26 Detail of mesosoma in dorsal view 27 Detail of scutellum with arrows pointing to spines.

N.f. Øster Hurup, Jylland, Danmark