Agaveocoris, Henry and Menard, 2020

Henry, Thomas J. & Menard, Katrina L., 2020, Revision and Phylogeny of the Eccritotarsine Plant Bug Genus Caulotops Bergroth, with Descriptions of Four New Genera and 14 New Species (Hemiptera Heteroptera: Miridae: Bryocorinae) Associated with Agave (Agavoideae Asparagaceae) and Related Plant Genera, Zootaxa 4772 (2), pp. 201-252 : 211-212

Key to the Species of Agaveocoris

1. Length greater than 4.00 mm, usually considerably more.......................................................2

− Length less than 4.00 mm, usually considerably less...........................................................6

2. Hemelytron dull dark brown; pronotum yellowish brown to dark brown, calli always infuscated, sometimes only as dense spots; labium long, extending nearly to male genital capsule or base of ovipositor in females; distribution: Arizona, USA............................................................................................... .. agavis (Reuter)

− Hemelytron weakly to strongly shiny with a distinct blue sheen; pronotum yellowish brown, dark brown, to reddish orange; labium shorter, not extending beyond abdominal segment III................................................... 3

3. Head, pronotum, and scutellum predominantly reddish orange; legs pale with dark spots to uniformly black; distribution: widespread in Mexico........................................................................ schaffneri , n. sp.

− Head yellowish brown, sometimes tinged with red; pronotum brown to dark brown, calli, at most, tinged with reddish orange; legs pale with small dark spots............................................................................4

4. Length of antennal segment II subequal to or greater than interocular width, plus the dorsal width of an eye; hemelytra fuscous to black with strong bluish sheen..........................................................................5

− Length of antennal segment II distinctly less than interocular width, plus the dorsal width of an eye; hemelyra brown with a weak bluish sheen......................................................................................6

5. Head yellowish brown, with weak dark markings on frons; pronotum uniformly yellowish brown, calli with numerous, small, black spots, lateral margin flared posteriorly; scutellum yellow; distributon: Puebla and Zacatecas .......... barrerai , n. sp.

− Head pale reddish orange, frons with a broad dark area on either side of median line; pronotum dark brown to fuscous, with posterior margin narrowly pale, lateral margin straight, not flaring; distribution: Puebla and San Luis Potosi .................................................................................................... marginalis , n. sp.

6. Larger species, length 4.70–5.05 mm; tubercle on male genital capsule slender and apically acute; distribution: Chihuahua, Mexico and Arizona, USA.................................................................. barberi (Knight)

– Smaller species, length 4.00– 4.60 mm; tubercle on male genital capsule short, stout, apically rounded; distribution: Veracruz, Mexico................................................................................ scutellatus , n. sp.

7. Hemelytra pale grayish brown, middle of each corium with a large shiny brown spot; distribution: Zacatecas, Mexico............................................................................................ bimaculatus , n. sp.

− Hemelytra dark grayish brown to dark brown, often tinged or marked with red or reddish orange, never with a shiny brown spot on each corium....................................................................................... 8

8. Frons and interocular area with strong dark brown markings; hemelytra grayish brown, without reddish or reddish-orange markings (if tinged with red, labium extremely long, extending to genital segments); femora pale yellowish brown, with distinct brown spots......................................................................................... 9

− Frons and interocular area with or without dark brown markings; hemelytra brown to dark brown, usually with a bluish sheen; corium with a red to reddish-orange wedge-shaped mark or nearly entirely rosy red; femora pale yellowish brown, without or with only weak dark spots............................................................................. 10

9. Labium extremely long, extending to the genital capsule in males and well beyond the base of the ovipositor in females; length of antennal segment II subequal to the interocular width; distribution: Puebla, Mexico................... rostratus , n. sp.

− Labium shorter, extending onto abdomen but never to the genital capsule or beyond the base of the ovipositor; length of anten- nal segment II less than interocular width; distribution: Arizona, USA............................... dimidiatus , n. sp.

10. Frons and interocular area with distinct dark markings; pronotum and hemelytra brown, strongly tinged with rosy red; scutellum rosy red; distribution: Chihuahua, Mexico, and Texas, USA....................................... roseus , n. sp.

− Frons and interocular area without or with only indistinct dark markings; pronotum yellowish brown to bright reddish orange; scutellum yellow to reddish orange; hemelytra brown, with a distinct bluish sheen and corium usually with a red to reddishorange wedge-shaped mark; highly variable; distribution: Colombia to Mexico; Arizona and Florida, USA..................................................................................................... distanti (Reuter)