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NAMES HEREIN CHANCED, SYNONYMVZED

OR PROPOSED

*AMBLY OMMA WERNERI WERNERI Schulze, 1932 (A) is synonymized under

A. nuttalli Dönitz, 1909.

*APONOMMA HALLI Tendeiro, 1950, is synonymized under A. exornatum

(Koch, 1874).

BOOPHILUS CONGOIENSIS Minning, 1934, is synonymized under B. annu

latus (Koch, 1844).

HAEMAPHYSALIS TEACHII HUMEROSODES, a subspecies tentatively sug

gested by Theiler (1943B), is an elongate form of H. leachii leachii, so far as now demonstrable.

HAEMAPHYSALIS MUHSAMI Santos Dias, 1954 (E), is a subspecies of H.

Teachii.

***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.

HYALOMMA IMPETTATUM Schulze and Schlottke, 1930, is considered to

have priority over H. brumpti Delpy, 1946. H. erythraeum Tonelli Rondelli, 1932, is also considered to be a synonym of H. impeltatum.

HYALOMMA MARGINATUM Koch, 1844, is said by Pomerantzev (1950) to be

a synonym of H. plumbeum (Panzer, 1795). This matter should
be investigated by independent 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 pre sented only in the present report.

**Non Sudanese species.

HYALOMMA LEWISI Schulze, 1936, is a synonym of H. trimcatum, not

of H. excavatum as stated by Delpy (1949B).

**HYALOMMA AEGYPTIUM PUNCTATA Schulze, 1919, is considered as a

synonym of H. aegyptium.

**HYALOMMA ALBIPARMATUM Schulze and Schlottke, 1930, is raised

from the status of a synonym of H. marginatum (= H. savignyi) (Delpy 1949B) and of H. truncatum (Feldman_Muhs am 1954) to full species rank; H. impressum brunneiparmatum S. and S., 1930, is considered as a synonym of H. albi parmatum, not of H. truncatum as stated by Feldman Muhs am (1954).

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**HYALOMMA 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 Hyalommina, the previously designated type species of which (H. rhipicephaloides Neumann, 1901) is no more than a misformed H. excavatum.

**HYALOMMA TURANICUM Pomerantzev, 1946, is raised to full species

rank and considered to be the same as H. rufipes glabrum
Delpy, 1949.

HYALOMMINA (Subgenus): See H. hussaini above.

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

nymphs.

*RHIPICEPHALUS CUSPIDATUS Neumann, 1906, is shown to be actually

different Trom 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 R. Tongus 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, o, dorsal and ventral views
Figures 6 and 7, 6, dorsal and ventral views

KEY MORPHOLOGICAL CHARACTERS

HYPOTHETICAL OF and q ticks, FAMILY XO DDAE (Characters used in keys in this report, except for self-explanatory terms, such as "caudal appendage" of certain Boophilus males. Additional characters used in fuller descriptions of individual species are explained where they first occur).

PLATE IV

- 38.

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Body periphery undifferentiated;
lateral suture absent. (Thick,
leathery ticks from houses, corrals,
burrows, or retreats)...

ORNITHODOROS
Figures 8 to 12, 39 to 63

B. Dorsum completely covered by scutum (06)
or anteriorly covered by scutum (90). Mouth
parts anterior. Eyes absent, or present near
lateral margin of scutum. Spiracular plates
large, posterior of coxa IV. (*Hard ticksia)......FAMILY XODIDAE

Figures 4 to 7, 64 to 316

*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 the Sudan 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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5. Large ticks with colored ornamentation,

Basis capituli rectangular dorsally.
(Rare in Sudan, parasites of elephant
and rhinoceros)

.DERMACENTOR

Figures 120 to 127 Small or moderated-sized, unornamented, common ticks. Basis capituli usually hexagonal dorsally...

......6

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