Salyavatinae

Swanson, Daniel R., 2017, Taxonomic changes in Salyavatinae (Heteroptera: Reduviidae), with an updated generic key, Zootaxa 4312 (3), pp. 515-530 : 525-526

Key to the World Genera of Salyavatinae

1 Posterior pronotal lobe with single large erect discal spine; humeral angles bispinous; [first rostral segment longer than sec- ond]; New World species...................................................................... Salyavata

- Posterior pronotal lobe without large erect discal spine; humeral angles unispinous, acute or unarmed; Old World species 2

2 (1’) First rostral segment distinctly longer than second, often as long as second and third combined.......................3

- First rostral segment subequal to or shorter than second..................................................... 7

3 (2) Ocelli present; macropterous.......................................................................... 4

- Ocelli absent; apterous................................................................................5

4 (3) Head armed with strong median spine between antennae; widespread in the Old World........................ Lisarda

- Head unarmed between antennae; central Africa...................................................... Eudima

5 (3’) Head with two small upright spines between the antenniferous tubercles; tibiae without fossula spongiosa; all tarsi two seg- mented; southwestern Africa.................................................................. Araneaster

- Head with single spine-like projection between the antenniferous tubercles; pro- and mesotibia with fossula spongiosa; pro- tarsus two-segmented, meso- and metatarsus three-segmented................................................ 6

6 (5’) Head with lateral spines between the antenniferous tubercles and eyes; India............................. Paralisarda

- Head without lateral preocular spines; southern Africa................................................. Tritavus

7 (2’) All tarsi two-segmented; apterous or micropterous......................................................... 8

- Protarsus two-segmented, meso- and metatarsus three-segmented; macropterous.................................. 9

8 (7) Connexival margin entire, at most with second segment somewhat produced; Angola................... Acosmetocoris

- First five connexival segments armed with spines; central Africa................................... Tragelaphodes

9 (7’) Antenniferous tubercles prolonged on external and internal margins into two porrect projections; central Africa.................................................................................................. Elaphocranus

- Antenniferous tubercles without porrect projections....................................................... 10

10 (9’) Protibia not distinctly dilated in basal half, at most base feebly dilated or incrassate near apex...................... 11

- Protibia compressed and greatly dilated from base on at least external margin.................................. 12

11 (10) Anterior angles of anterior pronotal lobe with long erect spines; scutellum trispinose; protibia cylindrical, at most feebly dilated, greatest diameter before apex; Malaysia...................................................... Syberna

- Anterior angles without erect spines; scutellum with only one apical spine; protibia clavate, either gradually incrassated to apex, apex abruptly swollen or apex briefly compressed and dilated, diameter greatest near apex; Bangladesh to southeastern Asia , China................................................................................... Falentia

12 (10') Anterior pronotal lobe with distinct lateral tubercle between anterior angles and transverse constriction; [widespread in the Old World] (Platychiria)............................................................................ 13

- Anterior pronotal lobe without distinct lateral tubercle..................................................... 14

13 (12) Postantennal spines present; disc of anterior pronotal lobe with two erect spines..................... umbrosus group

- Postantennal spines absent; disc of anterior pronotal lobe unarmed.................................. murrayi group

14 (12') Head with erect spines behind base of antennae; southeastern Asia................................. Rhachicephala

- Head unarmed.................................................................................... 15

15 (14') Spines of humeral angles directed distinctly cephalad; anterior angles of anterior pronotal lobe with moderate robust conical spines; southeastern Asia......................................................................... Alvilla

- Spines of humeral angles directed laterally, not curved cephalad; anterior collar of pronotum obliquely truncate, unspined; Africa (or widespread in the Old World)....................................................... Petalocheirus