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Figures 182 and 183, d5 dorsal and ventral views
Figures 184 and 185, 9, dorsal and ventral views

A, Q genital area. B to D, Q genital area outline and profile. B, unengorged. C, partly engorged. D, fully engorged.

Sfidan Specimens

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NOTE: H. rufi s is a most distinctive tick although Schulze, Delpy, and F_eldman_M121hsam in their earlier reports confused H. rufi s under the name H. im ressum. Nuttall during the first quarger of the 1900s id§ntifiEd Ifrican specimens as H. aegyptium im ressum and many British and some Italian workers of t s period followed this precedent. The only other African species of wide range, H. trunoatum, was referred to by this school as H. as tium. A few R'1-1ssl'an synonyms are listed in the distribution s'e'ctlon Eelow, but contemporary Soviet usage concerning the nomenclature of this tick appears to be incorrect.



1 1 Torit S cerus caffer ae uinoctialis Dec

3 Khor Waat Sficerus cgfer aeguinoctlfiis _ (MCZ)


2 17 Torit domestic cattle Jan (2)
1 3 Torit domestic cattle Feb
3 9 Torit domestic cattle Nov
1 2 Torit domestic cattle Dec
1 7 Juba domestic cattle Jan
1 2 Terakeka domestic cattle Mar (SVS)
2 4 Tali Post domestic cattle Mar (svs)
1 5 Meridi domestic cattle Jan (SVS)
1 1 Yambio domestic cattle Jan


l_i. rufigs is widely spread in the Sudan but is numerous only in the semlarl central area. The following are localities from which specimens (all from cattle unless otherwise noted) have been seen:

Bahr E1 Ghazal: Galual-Nyang Forest (Very COIIIIIDD on buffalos and girfifes; SVS, HH. The absence of this tick on the numerous tian examined in this area is notable). Aliab (buffalos; svs). Lau (sac). Lake N bor, Boro, Khor Shalmnam, and near Raga (svs). Yirol (horses; SVS . '

upper Nile: Bor, Ler, and Fangak (svs). Malakal (HH).

Blue Nile: Common at Wad Medani (HH). Abu Zor, Hosh, near Ethiopian Eiher, and Lake Ras Amer (camels and cattle; SGC).

Kordofan: ‘Western Jebels" and Umm Inderaba (svs).

Darfur: Nyala, Zalingei, Radom, Sibdo, Muhagariya, and Sahafa (common on camels, cattle, sheep, and horses; SVS).

Kassfla: Kassala (camels and cattle; svs). Port Sudan (svs).

Khartoum: Khartoum: Numerous specimens have been collected from sheep, goats, and horses, but few from cattle (HH). At the Khartoum quarantine station many adults are found on Darfur and Kordofan cattle. The Sudan Government collection contains a series of adults reared from nymphs from a kite, Milvus migrans, by H.H. King, 20 September 1922.


Northern: Shendi (camels and donkey; SVS). Wadi HaJ.fa (cameIs; fl, HH).


H. rufi s is widely distributed in may drier parts of Africa but it 1's quite localized and seldom very common in any locality. The hairy hyalomma is not known from many of the more westerly areas of Africa. It is present in the Yemen (Southwestern Arabia); and in North Africa occurs in Egypt and‘Libya but is not known further west on the Mediterranean littoral.

Elsewhere, H. rufi s occurs in Palestine, Iraq, Eastern Ana. tolia, and Russia (Transcaucasia, Astrakhan, Kazakhstan). Soviet workers find rufipes in such small numbers and in such scattered

localities that Pomerantzev (1950) believes its presence in Russia is due to small local populations established from nymphs from migrating birds. Schulze (1918) reported a Macedonian specimen (as impressum) that may have been imported on a bird.

This distributional picture is indeed unique, and it may be surmised that H. rufipes is a species of the Ethiopian Faund. Region that has extended its range beyond these confines as a result of transportation by migrating birds, which are important hosts of immature stages (page 486).

Note: Ml records below are for rufipes or I_i. _1_. rufifis; other combinations are so stated.


NORTH AFRICA: EGYPT (Common on domestic animals in the Nile

Valley ofiy; also arrives at the Cairo abattoir on cattle from the Sudan and East Africa: Hoogstraal, ms. See immature HOSTS

below). LIBYA (Scattered populations on Mediterranean littoral: Hoogstraal, ms.).

WEST AFRICA: NIGERIA (As H. im ressum rufi s: Unsworth
5 . Cambles

1949 I9 I Is H. im essum sub'sp.: . As H. ru.fip_e_s: Theiler 1956. Hateriffi from Katagum and Oban in BMNH cbllections;

H.H. det.). FRENCH WEST AFRICA (As H. saviggyi i ressa: Girard

and Rousselot 1945. Rousselot l946.- ‘Z s . rufi es c abrum: Rousselot 1951 and Villiers 1955; it is assumed tgat these do

not actually refer to turanicum. Rousselot 1953B. Theiler 1956 .

CENTRAL AFRICA: FRENCH FQUATQRILL AFRICA (ROHSSGIOT. 1953B). BELGIE 001100 (Rare: Theiler and Robinson 1954. Theiler 1956).

EAST AFRICA: SUDAN (Hoogstrael 195413. Feldman..Muhsam 1954. Theiler 1955).

ETHIOPIA (As H. ae tium im ressum f. typica: Stella 1939A, B 1940. As H. rufi es: 8!. er . ERITREA As H. im ressum Tonefi' H

im essum: 1.. ondelli 1930A. As H. impressum i as: Niro 1935. Numerous specimens in BMNH and co ections).


H. ossum; Pocock 1900. As H. ae tium 1 essum: Stella .'L93'&,'I§T§ . Numerous specime'r'1s Hem cmel~ collections; H.H. det.). ITALIAN samnnmm (As H. ae tium im essum:

Paoli 1916. '1‘onelli._Ronde1li 1926A.“ rm-_aE{""am ni 1 . mm 1935. Stella l938A,l9LO. As H. im essumrufi s: Tonelli..Rondelli 1935. Stella 191.0. Sp-ecimens E EMNH fi HH collections. See NOTE under EAS1‘ AFRICA for £1. 22:‘ essum, p. 1.63).

KHIYA [Materials identified and variously reported by E. A. Lewis as H. ae ium 1 essum, H. im essum albi matum, or H. rufi s are ~vu§a5E a fixture of H. runca um and H. _ 531%.»; sometimes g. 1 ltatum and _1_1. a1bI;>5%'_'€*'um are included

er hese names in L a co ctions now in e ritish Museum (Natural History) (H.H. det.). As H. rufi s: Binns (1951,1952). Theiler (1956). Note; In addition_to e probability of mixed

species in reports E Lewis, the synonymy of the following names is uncertain. As H. ae tium: Brassey..Eiwards (1932). Asll.

ifiessum: Daubne§ . ZLEOSSIIIII rufifi : Daubney

UG(::DA (Wilson 1953. Theiler 1956. See HOSTS below). TANGL NYIKA H. as tium i essum: Cornell 1936. As H. rufiEs: Theiler l§6. éee TESTS Elev].

SOUTHEIN AFRICA: ‘SOUTH AFRICA‘ (Koch 131.1... A8 _l_I. iyessum rufiasz §@ze and Schlottke 1930).

ANGOLA: Absent: Sousa Dias (1950). Theiler (1956). NCRT RHGJESIA Matthysse 1954. Theiler and Robinson 1 1.. Theiler 1956). SOUTHEIN RHCDESIA (As ae ium 1 ssum: Jack l92l,l928,l937,l9l.2. As H. rufi s: e er I35. NYASALAND (No available records). IQUE (As H. i essum rufi 3. Theiler 191.313. Santos Dias l%@,l953A,l~ ‘l'R€'e e re 1955. As H. rufi s: Theiler 1956). BEDHUANALAND (Specimens from Ghfizi~ collections- H.H. det. Theiler rage). SWAZILAND (Uncommon: Theiler 356$. somnwzsr AFRICA

H. im essum rufi s: Schulze 193 . As H. i essum:

s¢huIze'I8;.'lT7K. sT'2r%*.‘_. 15$. Theiler 1956. See~low).

UNION or souru mum (The L1. aeggium of Donitz 19103 and of Cooley 1931. apparently incl es H. truncatum and

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