Material examined. MH 17.12.92 Holpan area,
Cape, South Africa 3 c:fc:f15.9 (14.2-16.8) mm, 4 ~
~ 14.0 (12.5-14.8) mm.
Streptocephalus neumanni Thiele, 1904
Material examined. BMNH 1939.1O.25.1-20Jebel
Jinaf, Yemen 6 c:fc:f14.8 (12.9-17.2) mm, 11 ~~ 13.9
(12.4-16.8) mm; BMNH 1954.7.8.1 Jolebeid, Wadi
Duan, Yemen 12 c:fc:f15.9 (14.8-16.8) mm; BMNH
1962.5.21.1 Rossaiss, Adi Hatib, Yemen 1 d27.0 mm,
5W21.3 (19.8-22.5) mm.
Streptocephalus proboscideus (Frauenfeld, 1873)
Material examined. UG 11 Al Gedid, Khartoum,
Soudan (reared in laboratory) 12 c:fc:f17.7 (15.7-19.4)
mm, 8 ~~ 18.3 (16.2-20.7) mm; UG 247 Al Gedid,
Khartoum, Soudan (reared in laboratory) 12 c:fc:f19.5
(17.2-22.0) mm.
torvicornis subgroup
Distribution. Africa, Europe, and North America.
Streptocephalus ovamboensis Barnard, 1924
Material examined. BMNH 1934.10.5.1-4 Ovamboland, Africa 1 c:f35.1 mm, 1 ~ 35.7 mm; UG 118
Groblershoop, South Africa5dfl8.2 (16.6-19.4)mm,
2~~ 19.4, 15.7 mm.
Streptocephalus rubricaudatus (Klunzinger, 1867)
Material examined. HMPS VII/a-2509 Trou Au
Natron, Tibesti, Chad 2c:fc:f15.5, 15.7 mm, 2~~ 12.5,
12.6 mm; HMPS VII/a-2802 Zowar, Tibesti, Chad 5
c:fc:f13.8 (12.7-14.4) mm, 5 ~~ 12.0 (10.5-3.3) mm;
HMPS VIlla-2803 Trou Au Natron, Tibesti, Chad 5 d:f'
14.3 (13.7-15.0)mm, 5WI2.O(8.5-13.7)mm; UG 10
Trou Au Natron, Tibesti, Chad 8ot(15.1 (14.4-16.1)
mm, 20W 13.6 (12.9-14.6)mm; UG 14 Djanet, Algeria 9::ro17.2 (16.1-18.3) mm; UG 41 Jebel Uweinat,
Sudan 1 d20.3 mm, 5~~20.3 (19.0--21.4) mm.
Remark. A characteristic of this species is the
antennule, which is crenate on the dorsal margin of
its distal third in both sexes. This feature is shared only
with males of S. torvicornis.
223
Streptocephalus torvicornis (Waga, 1842)
Material examined. DB 324 Holon, Israel, ~0.2
(19.6-20.5) mm, 4 ~~ 20.8 (19.4-21.6) mm; HMPS
VII/a-2776 Sidi Kassem, Morocco, syntypes of ssp.
bucheti, 3 c:fc:f26.0 (25.3-27.4) mm; HMPS VIlla3565 Ait-Ourir, Morocco 4 c:fc:f16.2 (15.7-17.0) mm,
4W 16.3 (16.1-16.8) mm; HMPS VII/a-4425 Sevilla,
Spain 3ct:rl6.9 (16.6-17.4) mm, 1 ~ 17.0 mm; HMPS
VII/a-4435 Sevilla, Spain 2c:f15.0, 16.6 mm; HNHM
IIA-109 Sidi Kassem, Morocco 2cf~6.8, 27.0 mm, 2
~~26.0, 28.0 mm; HNHM 124.06.27 Nagysallo, Slovakia50tr25.2 (23.8-26.6)mm, 1~22.7 mm; HNHM
1924.08.24 Budakalasz, Hungary 9 c:fc:f22.4 (21.323.7) mm, 2 ~~ 19.8, 22.2 mm; HNHM 1926.08.26
Kovagoors, Hungary 12c:fc:f19.0 (17.2-20.3) mm, 8~
~20.0 (19.2-21.1) mm; HNHM 1927.09 Gonyu, Hungary2d:J26.8, 30.0, 3W30.1 (28.3 31.4)mm; HNHM
1939.08.29 Mezocsat, Hungary 2 c:fc:f20.8, 21.0 mm,
2~~ 18.8,20.9 mm; HNHM 1954.07.10 Lajosmizse,
Hungary 7 c:fd23.3 (22.2-24.8) mm, 5 ~~ 22.3 (19.425.0) mm; MNHN Bp 249 Sidi Kassem, Morocco 2c:f
d23.7, 29.4 mm, 2~~27.0, 28.0 mm.
Remark. A characteristic of this species is the
antennule, which is crenate on the dorsal margin of
its distal third in males. This feature is shared with
both sexes of S. rubricaudatus.
Streptocephalus sp. B
Material examined. UIED 244-245 Torreon,
Coahuila, Mexico 12 c:fc:f13.1 (11.6-14.2) mm, 10 ~
~ 13.1 (11.3-14.8) mm.
Streptocephalus sp. C
Material examined. DB 862 Kenedy Co., Texas,
USA 12 c:fc:f12.2 (11.1-13.7) mm; DB 863 Kenedy
Co., Texas, USA 12c:fc:f14.4 (12.2-16.3) mm, 11 ~~
12.4 (11.1-15.7) mm.
mackini subgroup
Distribution. North America.
Streptocephalus antillensis Mattox, 1950
Material examined. LACM 50-97.1 Mona Island,
Puerto Rico paratypes 1 c:f1O.0 mm, 5 ~~ 8.5 (8.39.0) mm; USNM 91086 Mona Island, Puerto Rico
Cape, South Africa 3 c:fc:f15.9 (14.2-16.8) mm, 4 ~
~ 14.0 (12.5-14.8) mm.
Streptocephalus neumanni Thiele, 1904
Material examined. BMNH 1939.1O.25.1-20Jebel
Jinaf, Yemen 6 c:fc:f14.8 (12.9-17.2) mm, 11 ~~ 13.9
(12.4-16.8) mm; BMNH 1954.7.8.1 Jolebeid, Wadi
Duan, Yemen 12 c:fc:f15.9 (14.8-16.8) mm; BMNH
1962.5.21.1 Rossaiss, Adi Hatib, Yemen 1 d27.0 mm,
5W21.3 (19.8-22.5) mm.
Streptocephalus proboscideus (Frauenfeld, 1873)
Material examined. UG 11 Al Gedid, Khartoum,
Soudan (reared in laboratory) 12 c:fc:f17.7 (15.7-19.4)
mm, 8 ~~ 18.3 (16.2-20.7) mm; UG 247 Al Gedid,
Khartoum, Soudan (reared in laboratory) 12 c:fc:f19.5
(17.2-22.0) mm.
torvicornis subgroup
Distribution. Africa, Europe, and North America.
Streptocephalus ovamboensis Barnard, 1924
Material examined. BMNH 1934.10.5.1-4 Ovamboland, Africa 1 c:f35.1 mm, 1 ~ 35.7 mm; UG 118
Groblershoop, South Africa5dfl8.2 (16.6-19.4)mm,
2~~ 19.4, 15.7 mm.
Streptocephalus rubricaudatus (Klunzinger, 1867)
Material examined. HMPS VII/a-2509 Trou Au
Natron, Tibesti, Chad 2c:fc:f15.5, 15.7 mm, 2~~ 12.5,
12.6 mm; HMPS VII/a-2802 Zowar, Tibesti, Chad 5
c:fc:f13.8 (12.7-14.4) mm, 5 ~~ 12.0 (10.5-3.3) mm;
HMPS VIlla-2803 Trou Au Natron, Tibesti, Chad 5 d:f'
14.3 (13.7-15.0)mm, 5WI2.O(8.5-13.7)mm; UG 10
Trou Au Natron, Tibesti, Chad 8ot(15.1 (14.4-16.1)
mm, 20W 13.6 (12.9-14.6)mm; UG 14 Djanet, Algeria 9::ro17.2 (16.1-18.3) mm; UG 41 Jebel Uweinat,
Sudan 1 d20.3 mm, 5~~20.3 (19.0--21.4) mm.
Remark. A characteristic of this species is the
antennule, which is crenate on the dorsal margin of
its distal third in both sexes. This feature is shared only
with males of S. torvicornis.
223
Streptocephalus torvicornis (Waga, 1842)
Material examined. DB 324 Holon, Israel, ~0.2
(19.6-20.5) mm, 4 ~~ 20.8 (19.4-21.6) mm; HMPS
VII/a-2776 Sidi Kassem, Morocco, syntypes of ssp.
bucheti, 3 c:fc:f26.0 (25.3-27.4) mm; HMPS VIlla3565 Ait-Ourir, Morocco 4 c:fc:f16.2 (15.7-17.0) mm,
4W 16.3 (16.1-16.8) mm; HMPS VII/a-4425 Sevilla,
Spain 3ct:rl6.9 (16.6-17.4) mm, 1 ~ 17.0 mm; HMPS
VII/a-4435 Sevilla, Spain 2c:f15.0, 16.6 mm; HNHM
IIA-109 Sidi Kassem, Morocco 2cf~6.8, 27.0 mm, 2
~~26.0, 28.0 mm; HNHM 124.06.27 Nagysallo, Slovakia50tr25.2 (23.8-26.6)mm, 1~22.7 mm; HNHM
1924.08.24 Budakalasz, Hungary 9 c:fc:f22.4 (21.323.7) mm, 2 ~~ 19.8, 22.2 mm; HNHM 1926.08.26
Kovagoors, Hungary 12c:fc:f19.0 (17.2-20.3) mm, 8~
~20.0 (19.2-21.1) mm; HNHM 1927.09 Gonyu, Hungary2d:J26.8, 30.0, 3W30.1 (28.3 31.4)mm; HNHM
1939.08.29 Mezocsat, Hungary 2 c:fc:f20.8, 21.0 mm,
2~~ 18.8,20.9 mm; HNHM 1954.07.10 Lajosmizse,
Hungary 7 c:fd23.3 (22.2-24.8) mm, 5 ~~ 22.3 (19.425.0) mm; MNHN Bp 249 Sidi Kassem, Morocco 2c:f
d23.7, 29.4 mm, 2~~27.0, 28.0 mm.
Remark. A characteristic of this species is the
antennule, which is crenate on the dorsal margin of
its distal third in males. This feature is shared with
both sexes of S. rubricaudatus.
Streptocephalus sp. B
Material examined. UIED 244-245 Torreon,
Coahuila, Mexico 12 c:fc:f13.1 (11.6-14.2) mm, 10 ~
~ 13.1 (11.3-14.8) mm.
Streptocephalus sp. C
Material examined. DB 862 Kenedy Co., Texas,
USA 12 c:fc:f12.2 (11.1-13.7) mm; DB 863 Kenedy
Co., Texas, USA 12c:fc:f14.4 (12.2-16.3) mm, 11 ~~
12.4 (11.1-15.7) mm.
mackini subgroup
Distribution. North America.
Streptocephalus antillensis Mattox, 1950
Material examined. LACM 50-97.1 Mona Island,
Puerto Rico paratypes 1 c:f1O.0 mm, 5 ~~ 8.5 (8.39.0) mm; USNM 91086 Mona Island, Puerto Rico