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5. Pzmctations exceptionally rugose, dense; cervical fields markedly

reticmate......~..“...‘..’.....................§. Figmes~

Punctations not exceptionally rugose; cervical fields mildly or nonreticulate......................6

6. Lateral grooves lacking; scutum slight. ly wider than long; numerous moderate size punctations onto lateral ridges. . . . . . . . . . . . . . . . . .R. KCIJHI

Figures 271-315-572 Lateral grooves present and distinct.........................7

7. Scutum no longer than or not so long as wide; posterior margin bluntly rounded; numerous large punctations; lateral ridges extending to posterior margin, raised, wide, glossy, mostly impunctate.......................................§_. CCMPOSITUS Figures 2'§'5_E"2§5

Scutum longer than wide; lateral ridges not markedly raised or glossy; with some punctations on lateral

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8. Scutal punctations fairly large , deep, and uniform, dense, evenly distributed between lateral ridges, fewer on lateral ridges and beside lateral grooves; pos. terior margin gradually rounded, non. sinuous. Large LONGUS

Figures 2'7§ and 235

Scutal punctations mixed medium to large
size; unevenly but densely distributed
and extending onto lateral ridges; pos_
terior margin tapering and sinuous.

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Figures 311 E13 $12

9.

10.

ll.

12.

Punctations inconspicuous, obsolete

or rare, small, interstitials obsolete

or inconspicuous. Scutum generally

but not always longer than wide.

Small parasite of cane ra.ts........................ .

R
Figures 2~

Ptmctations conspicuous, rue to
moderate numbers. Moderate to fairly
SpecieslOIOOOOOIOOQOOOOOOOOOOQOOOOOIOOOOOOOOOOIOOIO

Scutum with notably few, mderate or
large, scattered punctations in central

fleldOOQQQOOCOCOO0OOOQOCIOCIOIOOCQIOOOOOOOOOOOOQOOOOOOIOOIOOH

Scutum with moderate to large mimber of
small, medium size, or large plmctations..........-.........l6

Lateral grooves typically long and
distinct (frequently reduced in

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Lateral grooves abs t or typically

so short and indistin t as to be

questionable, frequently replaced by

several large, deep, pxmctations............................l3

[graphic]

This and the following subspecies can...

not be distinguished with certainty.

Size moderate. Scutal posterior margin

usually somewhat sinuous; punctations

restricted to few of moderate size but

deep, distinct, and widely scattered;

interstitials normally few, rare, in.

conspicuous, sometimes fairly numerous

but small and superficial.......................R. SIMUS SIMUS

Figur'5s '5U3_'arH'-301

Size fairly large. Other characters as
above, although punctations are often
somewhat larger than in subspecies
simus. Differentiated with certainty

OBI)’ by 8SSOCi&'LlO1'l With 1118.16. . . . . . . . . . . .5. SIMUS ~SIS gues~

13.

15

Coxa I with two robust posterior

spurs widely but not deeply divided.

Scutum distinctly wider than long;

margin abruptly converging posterior

of eyes; lateral. grooves replaced by

four very large, deep punctations;

central field with only four to seven

large, deep punctations; cervical

grooves shallow but alnnst reaching

posterior CUSPIDATUS

Figures 2'5§"§"Z@ div~......--.‘.......I‘...I'...'.......°."u

Scutum with very short lateral

groove containing four to six

closely adjacent punctations;

several moderate size ptmctations

in central field; outline typically

shieldshape ; cervical grooves narrow,

deep, and converging . A fairly small,

variable species..................................§. TRICUSPIS Figures 3l~

Lateral grooves absent or very slightly
indicated posteriorly; scutal outline
not shieldshape. Moderately large

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Scutum with lateral grooves absent or

faintly indicated posteriorly; p\mc..

tations few, moderate size or fine;

interstitials rare or obsolete; width

lightly greater than length........... LONGICOXATUS

Figures 2'75 E 2'75

Scutum lacldng lateral grooves; with

three to seven large punctations in

place of each groove and with an equal

number of same size in the central

field. Hyrax parasite. Other char.

acters uncertain; see pages 638 to 61.0. . . .. . . . . .R. ?DIS'1‘INCTUS

Figures 2~

16.

17.

Scutum with variable background of
irregularly scattered fine to medium
size punctations among which fewer
larger punctations are more or less
distinct; lateral grooves pronounced,
long; outline distinctly longer than
wide and with characteristically
sinuous posterior mergin......................§. SANGUINEUS
Figures 2'9I_E'2'§
and 295 and 296

Scutum with scattered punctations not

as above; lateral grooves short,

poorly developed, or absent, never

rectilinear or deep.........................................l7

Porose areas large, circular or sub.
circular; interval between these areas
no greater than their diameter. Scutum
with widely scattered fairly large punc_
tations and moderate number of superfi_
ciel interstitials of variable size;
outline somewhat wider than long or
length_width ratio approzdmately equal;
lateral. grooves short or indistinct;
cervical grooves shallow, indistinct,
may extend to posterior margin.

gum:

Porose areas small or moderate, inter.
val separating them greater than their
om dimterIOOOOIDOOOOOIIOIOOOIIIOIOOOOOOQOOOOIIOOOIIOOIOIII8

18. Scutum lacking lateral grooves; punc. tations dense but superficial, medium size with finer interstitials, rare laterally anterior of eyes ad on

scapulae; posterior margin typically . gradually rounded. (Rare).........................R. MHLENSI Figures'283'§H'2EZ

Scutal characters frequently modified

by crowding; lateral grooves superficial,

short to long; lateral ridges more or

less elevated; punctations widely spaced,

fewer laterally, small to moderate size,

interstitials rare or absent; posterior

margin abruptly rounded or slightly

tapering. (Common in restricted seas only)........................................R. APPENDICULATUS

F£§ur3§'2Z3'E5E'2ZZ

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