Genus SYSTOECHUS Loew

Systoechus Loew, 1855: 5, 34 (as subgenus of Bombylius Linnaeus). Type species: Bombylius sulphureus Mikan, 1796, by subsequent designation of Coquillett, 1910: 611.

Hosts: Eggs of Acrididae (Hull 1973; Yeates & Greathead 1997).

Systoechus arabicus Greathead, 1980 (Fig. 6)

Systoechus arabicus Greathead, 1980b: 309 . Type locality: Saudi Arabia.

Distribution: AF: Saudi Arabia [as “South western part”]. PA: Saudi Arabia [as “ Makkah ”].

Saudi Arabian localities: Asir: Raydah Protected Area (Abha Gov.). Makkah: Makkah City (Makkah Gov.).

Dates of collection: January to October.

Systoechus aurifacies Greathead, 1958

Systoechus aurifacies Greathead, 1958: 22 . Type locality: Eritrea.

Distribution: AF: Eritrea, Mali, Oman, Saudi Arabia [as “South western part”], United Arab Emirates. PA: Saudi Arabia.

Saudi Arabian localities: Asir: Abha (Abha Gov.), Fayfa (Fayfa Gov.). Makkah: Al-Laith (Al-Laith Gov.), Doga (Al-Qunfudhah Gov.), Wadi Qanona (Al-Ordiyat).

Dates of collection: February to October.

Systoechus horridus Greathead, 1980 (Fig. 7)

Systoechus horridus Greathead, 1980b: 307 . Type locality: Oman.

Distribution: AF: Oman, Saudi Arabia [as “South western part”], United Arab Emirates.

Saudi Arabian localities: Al-Baha: Jabal Shada Al A’Ala Protected Area (Al-Mekhwa Gov.). Asir: Abha, Raydah Protected Area (Abha Gov.), Alaya (Bilqarn Gov.), Al-Namas (Al-Namas Gov.).

Dates of collection: March to November.

Systoechus submicans Greathead, 1980 (Fig. 8)

Systoechus submicans Greathead, 1980b: 308 . Type locality: Saudi Arabia.

Distribution: AF: Saudi Arabia [as “South western part”].

Saudi Arabian localities: Asir: Raydah Protected Area (Abha Gov.).

Dates of collection: June.

Systoechus vulpinus Becker, 1910

Systoechus vulpinus Becker, 1910: 135 . Type locality: Yemen.

Distribution: AF: Saudi Arabia [as “South western part”], Yemen.

Saudi Arabian localities: Asir: Regal Alma’ (Madraga Gov.).

Dates of collection: March.