Ore or significantly less uniform, abruptly constricted at base (Figs a, 
). Posterior pronotal lobe uniformly colored, dark brown. Paramere with PubMed ID:http://jpet.aspetjournals.org/content/138/3/322 basal practically straight, only curved in apical, gradually expanded toward apex (Fig. a). Humeral angle raised to level of, and nearly continuous with, disc. Short, light, shining recumbent setae dorsally on head and pronotum. Medial method extended, longer than parameres; base incredibly broad (Fig. a). Paramere clearly bent ventrally at mid component (central and northern S.A.). Pronotal disc clearly elevated above humeral angle. Medial process ZL006 biological activity rrowly triangular, shorter or subequal in length to paramere. Paramere constricted at base and somewhat bent ventrad. Humeral angle rounded. Medial process lengthy, upright (Fig. a) (Brazil, Bolivia and Paraguay). Humeral angle with spinous or dentate process. Medial process fairly brief, semierect. Medial course of action posterior CL29926 surface with pair of processes near apex (Fig. a). Paramere bulbous, base slightly constricted. Medial course of action apex hooklike, complete, not discontinuous as pair of projections (Fig. a). Paramere base strongly constricted, rest somewhat bulbous. Zelus kartaboides (Fig. )Zelus kartabensis (Fig. a, b)Zelus auralanus (Fig. a, b, c, d)Zelus mattogrossensis (Fig. a, b) Zelus versicolor (Fig. a, b) Zelus chamaeleon (Fig. a, b)Key to males with the Zelus pamensis specieroup Paramere reaching or surpassing apex of medial process. Paramere not attaining apex of medial process. Reddishbrown. Femora without the need of banding. Paramere curved ventrally, apex recurved slightly dorsally (Fig. a). Anterior pronotal lobe dark brown, posterior lobe yellowishbrown. Femora dark brown, with two yellowish bands. Paramere straight (Fig. a). Zelus xouthos (Fig. )Zelus banksi (Fig. )Zhang G et al. Medial course of action shorter than or at most subequal in length to paramere. Medial method no less than.x length of paramere. Head orangish or reddish. Head brown or dark brown. Postocular lobe with longitudil yellowish stripe. Medial process about as long as paramere (Fig. a). Paramere apex obliquely truncate. Postocular lobe without having stripe. Medial procedure significantly less than.x length of paramere (Fig. a). Paramere apex rounded. Paramere diameter constant by means of apical or only slightly expanding. Paramere expanded apically, enlarged portion in lateral view considerably greater than diameter of medial approach. Medial process bent in middle (Fig. a). Paramere rrowed at base, remainder constant. Medial approach almost straight, curving progressively. Paramere diameter constant or weakly expanding. Medial process posteriorly directed, at much less than fortyfive degree angle to horizontal axis (Fig. a). Physique surface brown. Medial procedure erect, at bigger than fortyfive degree angle to horizontal axis (Fig. a). Wasplike. Medial approach rrowed apically in lateral view (Fig. a). Paramere somewhat swollen. Medial course of action slightly expanded subapically in lateral view (Fig. a). Paramere expanding, but not distinctly swollen. Zelus pamensis (Fig. a, b)Zelus truxali (Fig. a, b)Zelus korystos (Fig. )Zelus filicauda (Fig. )Zeluilboventris (Fig. a, b) Zelus nigromaculatus (Fig. a, b) Zelus cordazulus (Fig. a, b) Zelus varius (Fig. )Crucial to males from the Zelus armillatus specieroupGeneral coloration greenish or yellowish pale brown, rather uniform. Legs without having banding.A taxonomic monograph in the assassin bug genus Zelus Fabricius (Hemiptera: Not as described above, consisting of normally two or far more different colors; if uniformly colored, then dark brown.Ore or significantly less uniform, abruptly constricted at base (Figs a, ). Posterior pronotal lobe uniformly colored, dark brown. Paramere with PubMed ID:http://jpet.aspetjournals.org/content/138/3/322 basal nearly straight, only curved in apical, steadily expanded toward apex (Fig. a). Humeral angle raised to degree of, and practically continuous with, disc. Brief, light, shining recumbent setae dorsally on head and pronotum. Medial course of action lengthy, longer than parameres; base incredibly broad (Fig. a). Paramere clearly bent ventrally at mid aspect (central and northern S.A.). Pronotal disc clearly elevated above humeral angle. Medial approach 
rrowly triangular, shorter or subequal in length to paramere. Paramere constricted at base and somewhat bent ventrad. Humeral angle rounded. Medial process lengthy, upright (Fig. a) (Brazil, Bolivia and Paraguay). Humeral angle with spinous or dentate approach. Medial approach somewhat quick, semierect. Medial method posterior surface with pair of processes near apex (Fig. a). Paramere bulbous, base slightly constricted. Medial course of action apex hooklike, complete, not discontinuous as pair of projections (Fig. a). Paramere base strongly constricted, rest somewhat bulbous. Zelus kartaboides (Fig. )Zelus kartabensis (Fig. a, b)Zelus auralanus (Fig. a, b, c, d)Zelus mattogrossensis (Fig. a, b) Zelus versicolor (Fig. a, b) Zelus chamaeleon (Fig. a, b)Crucial to males with the Zelus pamensis specieroup Paramere achieving or surpassing apex of medial procedure. Paramere not achieving apex of medial approach. Reddishbrown. Femora with no banding. Paramere curved ventrally, apex recurved slightly dorsally (Fig. a). Anterior pronotal lobe dark brown, posterior lobe yellowishbrown. Femora dark brown, with two yellowish bands. Paramere straight (Fig. a). Zelus xouthos (Fig. )Zelus banksi (Fig. )Zhang G et al. Medial method shorter than or at most subequal in length to paramere. Medial method at the least.x length of paramere. Head orangish or reddish. Head brown or dark brown. Postocular lobe with longitudil yellowish stripe. Medial procedure about so long as paramere (Fig. a). Paramere apex obliquely truncate. Postocular lobe with no stripe. Medial course of action much less than.x length of paramere (Fig. a). Paramere apex rounded. Paramere diameter continuous by means of apical or only slightly expanding. Paramere expanded apically, enlarged portion in lateral view considerably higher than diameter of medial method. Medial course of action bent in middle (Fig. a). Paramere rrowed at base, remainder continuous. Medial process nearly straight, curving steadily. Paramere diameter continuous or weakly expanding. Medial course of action posteriorly directed, at much less than fortyfive degree angle to horizontal axis (Fig. a). Body surface brown. Medial approach erect, at bigger than fortyfive degree angle to horizontal axis (Fig. a). Wasplike. Medial approach rrowed apically in lateral view (Fig. a). Paramere somewhat swollen. Medial method slightly expanded subapically in lateral view (Fig. a). Paramere expanding, but not distinctly swollen. Zelus pamensis (Fig. a, b)Zelus truxali (Fig. a, b)Zelus korystos (Fig. )Zelus filicauda (Fig. )Zeluilboventris (Fig. a, b) Zelus nigromaculatus (Fig. a, b) Zelus cordazulus (Fig. a, b) Zelus varius (Fig. )Important to males in the Zelus armillatus specieroupGeneral coloration greenish or yellowish pale brown, rather uniform. Legs without the need of banding.A taxonomic monograph of the assassin bug genus Zelus Fabricius (Hemiptera: Not as described above, consisting of usually two or additional various colors; if uniformly colored, then dark brown.