Alcecoris, , McAtee & Malloch, 1924

Yeshwanth, H. M., Chérot, F. & Henry, T. J., 2021, The Isometopinae (Hemiptera: Heteroptera: Miridae) of India and Sri Lanka: A Review of the Subfamily, with Descriptions of Six New Species, Zootaxa 4903 (2), pp. 151-193 : 170

Key to species of Alcecoris from India

1 First antennal segment tubular, lacking an apical spine ( Fig. 7A )................... Male of Alcecoris globosus Carvalho

– First antennal segment apically incrassate, with a pair of apical spines. Females of Alcecoris spp.........................2

2. Head width across eyes nearly subequal to the width of second antennal segment in frontal view. Dorsal spine on first antennal segment elongate ( Fig. 7C ), much longer than width of proximal part of segment. Second antennal segment in frontal view oblong, proportionally longer, about 1.8 times longer than wide................. Alcecoris periscopus McAtee & Malloch

– Head width across eyes much less than width of second antennal segment in frontal view. Dorsal spine on first antennal segment relatively short and stout basally ( Fig. 7B ), subequal to width of proximal part of segment. Second antennal segment in frontal view more rounded, proportionally shorter, about 1.6 times longer than wide................ Alcecoris globosus Carvalho

Figures

FIGURES 7. Indian Isometopinae: Sophianini. Head in frontal view. A. Alcecoris globosus Carvalho, 1951. Male. B. Alcecoris globosus Carvalho, 1951. Female. C. Alcecoris periscopus McAtee & Malloch, 1924. Female. D. Sophianus alces Distant, 1904, male.