Comprehensive Description

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General Description

In Alberta there are no other cactus bugs to confuse with Chelinidea vittiger. Chelinidea vittiger can be distinguished from other coreid genera by its generally wider abdomen and by having a row or two of ornamental, hind-femur spines. Other Chelinidea species with which to confuse C. vittiger are C. canyona and C. hunteri. The anterior leathery halves of the hemielytra have five visible veins, the second vein in from the outside is forked, and the posterior, membranous portion is intricately veined. Chelinidea hunteri has a small, non-flaring abdoment. Chelinidea vittiger's head is typically dark with a central tan or pale yellow stripe, though colouring ranges from completely tan to multicoloured (tans, reds and blacks). Chelinidea hunteri has a smaller rostrum but tan colouring (Herring 1980). Chelinidea vittiger's antennal have four, dark segments compared to Chelinidea canyona's antennae made of three, typically lighter, foliaceous antennae (antennae that are broad, flat, resembling succulents stems). Chelinidea canyona and Chelinidea vittiger only occur together at the southern portion of C. vittiger's range.

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© University of Alberta Museums

Source: University of Alberta Museums

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