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RHTPICEPHALUS FAICATUS Neumann, 1908, is a synonym of R. lo

"Neumann, 1907" (Zumpt 1942B,1950A). R. falcatus was listed by King (1926) from the Sudan. Specimens in Sudan Government collections identified as this species by King refer actually to R. longus, R. supertritus, R. simus senegalensis, and R. sanguineus #us. R. falcatus was originally rather vaguely descri or the complex group in which it falls, and frequently the name has been used indiscriminately.

RHIPICEPHALUS LUNULATUS Neumann, 1907. This name was used (Hoog

"straaTI35AB) on the basis of Santos Dias" (1950D,1952C) assertion that this is a valid species, distinct from R. tricuspis Dönitz, 1906. Dr. G. Theiler, however, has studied this question so thoroughly (1955 correspondence) and confirmed her earlier findings (1947) so convincingly that R. lunulatus is herein used in synonymy under R. tricuspis.

RHIPICEPHALUS MACROPIS Schulze, 1936(C) is a synonym of R. san#neuS S ineus Latreille, 1806, according to Zumpt

• e original specimens of R. macropis came from dogs in Port Sudan (Sudan) and Aden (Arabia).

RHIPICEPHALUS PUNCTATISSIMUS Gerstäcker, 1873, is a synonym of
R. S ineus # Iatreille, 1806, according to

Zum • * * citatissimus was listed by King (1908, 1911) from the Sudan. Santos Dias (1952H, 1953A,B) considers this to be a subspecies of R. #: and to be the same

as R. sulcatus, but he has not ex type material or
reared series.

(?) RHIPICEPHAIUS SHIPLEYI Neumann, 1902. Type locality: "Soudan" possibly meaning Anglo-Egyptian Sudan (or "French Soudan", i.e. French Equatorial Africa). Zumpt (1943A,1950A) has synonymized R. shipleyi under R. s. simus Koch, 1844.

RHIPICEPHALUS SUICATUS Neumann, 1908. The material on which King's report of this species in the Sudan was based has proven upon comparison with Dr. Theiler's reared series of R. sulcatus and large numbers of other specimens to be heavily punctate individuals of R. s. s ineus - R - sulcatus is known, however, by a few more # specimens from the Sudan.

NAMES HEREIN CHANG-D, SYNCNYMIZED, OR PROPOSED.

*AMBLYOMMA WERNERI WERNERI Schulze, 1932(A) is synonymized under
A. mitta IITDARTETI909.

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BOOPHILUS CONCOLENSIS Minning, 1934, is synonymized under B. annuratus (Koch,TEA).

HAEMAPHYSALLS LEACHII HUMERCSOIDES, a subspecies tentatively suggeste. EyTheTTer"(1973B), is an elongate form of H. leachii leachii, so far as now demonstrable.

HazapHrsairs MJHSAMI Santos Dias, 1954(2), is a subspecies of H.
Leachii.

*HYALOMMA SCUPENSE." Schulze, 1919, appears from Soviet works to have distinct biological characteristics and minor morphological characteristics intergrading with H. detritum; it is therefore indicated as a "form" of yet unknown taxonomic status.

HYALCMMA IMPELTATUM Schulze and Schlottke, 1930, is considered to have priority over H. # Delpy, 1946. H. erythraeum Tonelli-Rondelli, 1932, is also considered to be a synonym of

H. impeltatumHYALOMMA MARGINATUM Koch, 1844, is said by Pomerantzev (1950) to be

a synonym of H. plumbeum (Panzer, 1795). This matter should be investigated ependent workers.

*The fact that these names have been modified or are considered synonyms has been mentioned in the preliminary publication on Sudan ticks (Hoogstraal 1954B), but the reasons for these changes are presented only in the present report.

*Non-Sudanese species.

HYALCMMA LEWISI Schulze, 1936, is a synonym of H. truncatum, not of H. excavatum as stated by Delpy (1949B).

*HYALCMMA AEGYPTIUM PUNCTATA Schulze, 1919, is considered as a synonym of H. BeEEEI.

*HYALCMMA ALBIPARMATUM Schulze and Schlottke, 1930, is raised

Trom the status of a synonym of E. marginatum (= H. savignyi)
(Delpy 1949B) and of H. truncatum (Fe uhsam 1952.) #

full species rank; H. impressum ei tum S. and S. , 1930, is considered as a synonym of H. # tum, not of

Loairma:
H. truncatum as stated by Feldman-Muhsam #

*HYALCMMA HUSSAINI Sharif, 1928, is treated as a valid species (not a synonym of H. excavatum – cf. Delpy, 1949B) and most

probably the proper type species of the subgenus Hyalomina, the previously designated type species of which (# rhi Di.

cephaloides Neumann, 1901) is no more than a #### excavatum.

*HYALCMMA TURANICUM Pomerantzev, 1946, is raised to full species rank and considered to be the same as H. rufipes glabrum Delpy, l949.

HYALCMMINA (Subgenus): See H. hussaini above.

MARGAROPUS REIDI SP. NOW... is described from males, females, and

*RHIPICEPHALUS CUSPIDATUS Neumann, 1906, is shown to be actually different from the tick described and illustrated under this name by Zumpt (1950A) in his review of this genus.

RHIPICEPHALUS PSEUDOLONGUS Santos Dias, 1953(D) is a synonym of RTGnRE Neumann, 1907.

*The fact that these names have been modified or are considered synonyms has been mentioned in the preliminary publication on Sudan ticks (Hoogstraal 1954B), but the reasons for these changes are presented only in the present report.

*Non-Sudanese species.

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Figures 4 and 5, d', dorsal and ventral views
Figures 6 and 7, Q, dorsal and ventral views

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KEY TO FAMILIES AND GENERA OF ADULTS*

MALES AND FEMALES

A. Dorsum covered by leathery integument lacking scutum. Mouthparts ventral. Eyes absent, or present in lateral folds. Spiracular plates small, anterior of coxa IV.

("Soft ticks")...................................FAMILY ARGASIDAE

F: s to :

Body periphery flattened and usually structurally different from dorsum; lateral suture usually present”. (From birds, bats, or their resting places; only A. brumpti from mammals

Or iízards)....:.................................ARGas

Figures 13 to 33

Body periphery undifferentiated;

lateral suture absent. (Thick,

leathery ticks from houses, corrals,

burrows, OT retreats)............................CRNITHCDCRCS Figures 8 to 12, 39 to 63

B. Dorsum completely covered by scutum (66)
or anteriorly covered by scutum (QQ). Mouth-
parts anterior. Eyes absent, or present near
lateral margin of scutum. Spiracular plates -
large, posterior of coxa IV. ("Hard ticks")......FAMILY IXODIDAE

Figures 4. : 7.

*Characters in this key do not necessarily apply to species within
the same genera from areas outside of the Sudan. Two other genera,
Otobius (Argasidae) and Rhipicentor (Ixodidae), occur in the Ethiopian
Faunal Region outside of an and are not listed in this key.
A few other genera occur in other faunal regions. Another family,
Nuttalliellidae, is known only from Southwest Africa.

*The peripheral differentiation of A. boueti and A. confusus is only slight and these species lack a lateral suture.

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