Euryglossula scalaris, Batley, 2016

Batley, Michael, 2016, New Species of Euryglossula Michener (Apoidea: Colletidae), Records of the Australian Museum 68 (6), pp. 245-261 : 248

Key to males of the genus Euryglossula

1 Hind femora incrassate ( Fig. 18), S5 without fringe .................................... E. variepicta Exley

—— Hind femora not incrassate ........................................................................................................ 2

2 Metasoma with black and yellow scalariform pattern ( Fig. 16) ....................... E. scalaris n. sp.

—— Metasoma without scalariform pattern ...................................................................................... 3

3 Head (other than occupit) entirely yellow ................................................................................ 4

—— Head yellow with vertex black .................................................................................................. 5

4 Mandible gently curved, not enlarged apically ( Fig. 3a) ...................................... E. flava Exley

—— Mandible apically enlarged ( Fig. 3b) ................................................................. E. pallida n. sp.

—— Mandible with apical ⅓ inflexed, three stout setae ventrally ( Fig 3c) .............. E. laticeps n. sp.

5 Facial foveae surrounded by yellow .......................................................................................... 6

—— Facial foveae not surrounded by yellow .................................................................................... 9

6 Scutum yellow with U-shaped black mark ................................................ E. eremophilae n. sp.

—— Scutum black with anterolateral corners black .......................................................................... 7

7 Facial foveae ≥ ¼ length of eye ................................................................... E. aeneoceps n. sp.

—— Facial foveae short, <0.2× length of eye .................................................................................. 8

8 Scutum laterally yellow to anterior edge of tegula ....................................... E. kubinensis n. sp.

—— Scutum laterally yellow well past tegula .............................................. E. carnarvonensis Exley

9 Yellow on frons medially reaches almost to top of foveae ..................................................... 10

—— Yellow on frons medially stops well below top of foveae ...................................................... 14

10 Head elongate, length> 0.9× width ............................................................... E. pinnulata n. sp.

—— Head not elongate, length <0.85× width ................................................................................ 11

11 Width clypeus ca 2.7× length ........................................................... E. chalcosoma (Cockerell)

—— Width clypeus ca 2.3× length .................................................................................................. 12

12 Metasoma black dorsally, mandible with stiff setae ................................... E. elizabethae n. sp.

—— Metasoma brown dorsally, mandible without stiff setae ......................................................... 13

13 Mesepisternum medially with large black patch ................................ E. microdonta (Rayment)

—— Mesepisternum ventral half uniformly yellow ................................................... E. storeyi n. sp.

14 Scutellum bright yellow ................................................................................. E. purpurea n. sp.

—— Scutellum black ....................................................................................................................... 15

15 Facial foveae entirely surrounded by black ............................................... E. fultoni (Cockerell)

—— Facial fovea not entirely surrounded by black ........................................................................ 16

16 Metasomal T2–T6 with large anterolateral yellow marks .................................... E. incisa n. sp.

—— Metasoma with at most small lateral marks ...................................................... E. deserti Exley