DRYINIDAE, Haliday, 1833

Derafshan, Hossein Ali, Olmi, Massimo, Moghaddam, Mostafa Ghafouri, Nader, Elham & Rakhshani, Ehsan, 2021, New records of Dryinidae Haliday, 1833 (Hymenoptera, Chrysidoidea) from Iran, Zoosystema 43 (23), pp. 563-583 : 580-581

KEY TO THE IRANIAN DRYINIDAE

FEMALES

1. Protarsus chelate ( Fig. 2 A-D) ...................................................................................................................... 2

— Protarsus not chelate [ Aphelopinae R. Perkins, 1912 , in Iran only Aphelopus Dalman, 1823 ] ...................... 5

2. Chela with one rudimentary claw ( Fig. 2C, D ) ........................................................................................... 3

— Chela without rudimentary claw ( Fig. 2A, B ) [ Anteoninae R. Perkins, 1912 , in Iran only Anteon Jurine, 1807 ] .......................................................................................................................................................... 6

3. Median leg with one tibial spur (formula 1/1/1 or 1/1/2) ............................................................................ 4

— Median leg without tibial spurs (formula 1/0/1 or 1/0/2) ............................................................................... ...................................... [ Gonatopodinae Kieffer, 1906 ; see Derafshan et al. 2020, for key to Iranian species]

4. Epicnemium concealed ( Fig. 11D ) [ Bocchinae Richards, 1939 ] .................................................................. 7

— Epicnemium exposed [ Dryininae Haliday, 1833 ] ........................................................................................ 8

5. Head with mandibles, clypeus and lower parts of frontal region white or testaceous ....................................... ............................................................................................................. Aphelopus melaleucus ( Dalman, 1818)

— Head with mandibles white or testaceous; clypeus uniformly black; rest of head black ( Fig. 9A ) .................... .................................................................................................................. Aphelopus orphanidesi Olmi, 1994

6. Protarsomere 4 at most 0.5 as long as protarsomere 1; protarsomere 3 or 4 produced into hook ( Fig. 2A ) ..... ....................................................................................................................... Anteon abdulnouri Olmi, 1987

— Protarsomere 4 at least 0.66 as long as protarsomere 1; protarsomere 2 produced into hook ( Fig. 2B )............. .................................................................................................................. Anteon pubicorne ( Dalman, 1818)

7. Segment 5 of protarsus with inner membranous band, two bristles and with one preapical lamella ( Fig. 2C ). .......................................................................................................................... Bocchus hyalinus Olmi, 1998

— Segment 5 of protarsus without inner membranous band, with 1 row of about 18 lamellae and 1 row of about 7 bristles, distal apex with approximately 4-10 lamellae ............................ Mirodryinus atlanticus Olmi, 1984

8. Enlarged claw with one subapical tooth ................................................. Dryinus tarraconensis Marshall, 1868

— Enlarged claw without subapical teeth or with many small subapical teeth .................................................. 9

9. Posterior ocelli not touching occipital carina. Enlarged claw with many small subapical teeth ........................ ........................................................................................................................... Dryinus gharaeii Olmi, 2005

— Posterior ocelli touching occipital carina. Enlarged claw without subapical teeth ............................................ .............................................................................................. Dryinus tamaricicola Rakhshani & Olmi, 2016

MALES

1. Fore wing with three cells (Costal, radial and first cubital) enclosed by pigmented veins ( Figs 5E , 11E ) ...... 2

— Fore wing with only the costal cell enclosed by pigmented veins ( Figs 8E , 10E ) [ Aphelopinae R. Perkins, 1912 : in Iran only Aphelopus Dalman, 1823 ] ........................................................................................................ 5

2. Hypopygium not umbrella-shaped [ Anteoninae R. Perkins, 1912 : in Iran only Anteon Jurine, 1807 ] .......... 6

— Hypopygium umbrella-shaped .................................................................................................................... 3

3. Epicnemium concealed [ Bocchinae Richards, 1939 ] .................................................................................... 7

— Epicnemium exposed .................................................................................................................................. 4

4. Occipital carina complete or incomplete. Dorsal process of paramere absent [ Dryininae Haliday, 1833 ] ..... 8

— Occipital carina absent, occasionally present and complete. Dorsal process of paramere present ..................... ...................................... [ Gonatopodinae Kieffer, 1906 ; see Derafshan et al. 2020 for key to Iranian species]

5. Aedeagus with distal apex not trumpet-shaped ( Fig. 3C ) ...................... Aphelopus melaleucus ( Dalman, 1818)

— Aedeagus with distal apex trumpet-shaped ( Fig. 3D ) ................................. Aphelopus orphanidesi Olmi, 1994

6. Propodeal declivity without longitudinal keels ( Fig. 5D ). Paramere without inner distal and pointed process ( Fig. 3A ) ......................................................................................................... Anteon abdulnouri Olmi, 1987

— Propodeal declivity with two longitudinal keels. Paramere with distal inner pointed process ( Fig. 3B ) ............ .................................................................................................................. Anteon pubicorne ( Dalman, 1818)

7. Metapectal-propodeal disc with strong transverse posterior keel and two complete longitudinal keels, areolae very wide ( Fig. 11F ). Genitalia with distivolsella articulated along inner margin of basivolsella ( Fig. 3E ) ........ .......................................................................................................................... Bocchus hyalinus Olmi, 1998

— Metapectal-propodeal disc without longitudinal or transverse keel, areolae very small. Genitalia with distivolsella articulated on distal margin of basivolsella ................................................ Mirodryinus atlanticus Olmi, 1984

8. Antennal segments broad, with segment 3 less than six times as long as broad ................................................ .............................................................................................................. Dryinus tarraconensis Marshall, 1868

— Antennal segments slender, with segment 3 seven or more than seven times as long as broad ......................... .............................................................................................. Dryinus tamaricicola Rakhshani & Olmi, 2016

Figures

FIG. 2. — Chelae, female: A, Anteon abdulnouri Olmi, 1987 (Lebanon – Redrawn from Olmi 1987); B, Anteon pubicorne (Dalman,1818) (Italy – redrawn from Olmi, 1984); C, Bocchus hyalinus Olmi, 1998 (Oman – Redrawn from Olmi 1998); D, Dryinus tamaricicola Rakhshani & Olmi, 2016 (Iran – redrawn from Derafshan et al. 2016). Scale bars: 100 μm.

FIG. 11. – Bocchus hyalinus Olmi, 1998, female: A, head, lateral view; B, head, frontal view; C, head, dorsal view; D, mesosoma, lateral view; E, mesosoma, dorsal view; F, metapectal-propodeal complex, dorsal view; G, chela. H, habitus, lateral view. Scale bars: A-C, E, F, 300 μm; D, 500 μm; G, 200 μm; H, 1 mm.

FIG. 9. — Aphelopus orphanidesi Olmi, 1994, female: A, head, frontal view; B, head, dorsal view; C, mesosoma, dorsal view; D, metapectal-propodeal complex, dorsal view; E, fore wing; F, habitus, dorsal view. Scale bars: A-D, 300 μm; E, F, 500 μm.

FIG. 5. — Anteon abdulnouri Olmi, 1987, male: A, head, frontal view; B, head, dorsal view; C, mesosoma, dorsal view; D, metapectal-propodeal complex, dorsal view; E, fore wing; F, habitus, lateral view. Scale bars: A-D, 300 μm; E, F, 500 μm.

FIG. 8. — Aphelopus melaleucus (Dalman, 1818),male:A, head,frontal view; B, head,dorsal view;C, mesosoma,dorsal view; D, metapectal-propodeal complex, dorsal view; E, fore wing; F, habitus, lateral view. Scale bars: A-D, 300 μm; E, F, 500 μm.

FIG. 10. — Aphelopus orphanidesi Olmi, 1994, male: A, head, frontal view; B, head, dorsal view; C, mesosoma, dorsal view; D, metapectal-propodeal complex, dorsal view; E, fore wing; F, habitus, lateral view. Scale bars: A-D, 300 μm; E, F, 500 μm.

FIG. 3. — Male genitalia: A, Anteon abdulnouri Olmi, 1987 (Yemen – Redrawn from Olmi & Van Harten 2000); B, Anteon pubicorne (Dalman, 1818) (England – redrawn from Olmi, 1984); C, Aphelopus melaleucus (Dalman, 1818) (France – original drawing); D, Aphelopus orphanidesi Olmi, in Olmi & Orphanides 1994 (Holotype, Cyprus – redrawn from Olmi & Orphanides 1994); E, Bocchus hyalinus Olmi, 1998 (Oman – redrawn from Olmi et al. 2019); F, Dryinus tamaricicola Rakhshani & Olmi, in Derafshan et al. 2016 (Iran – original drawing). Scale bars: A-E, 50 μm; F, 100 μm.