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The tergal fasciae on the male bee above don't fit C. communis communis.  The bee nonetheless shares mandible traits with C. communis  communis communis:  The apical (outer)  third of the mandibles on the bee shown here are black; at the base is a narrow strip of black, and then a fairly large, roughly pyramidal yellow area that hugs the base. 

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On the bee shown here, the clypeus is yellow with two pairs of black spots:  one is over the tentorial pits, and a second pair directly below near the outer rim of the clypeus. The bee’s labrum (the face-part under the clypeus) is yellow, with two faint irregular brown spots near the base.

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Some notes on M. comptoides:

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​​​​The bee’s abdomen is black, with a fringe of longish white hairs on the base of T1 (the first upper abdomen segment), and a basal band of pale hairs on T2.  Narrow, interrupted pale bands traverse T2-T5 (along the middle of each segment, set back from the rim). On the sides of the abdomen, the hairs on these bands become wider, and the hairs longer, giving the bee a shaggy appearance.  Short to longish black hairs appear on T2-T5 on areas not covered by white bands; these dark hairs blend in with the darkly-colored abdomen underneath. 

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As described largely by Michell (1962), other notable traits of the abdomen include the following.  On T2-T4 (particularly on T4), the interruption in the pale hair band exposes the rim of the segment, which appears almost glassy – it is smooth, brittle and a transparent yellowish-brown. There are toothlike spines, partially concealed by hairs, on  either side of T6. The pygidial plate (at the rear of the abdomen) is ridged along the margin, and narrows near the tip, which is round or roundly-blunt.

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Male Melissodes communis communis 

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A male M. communis communis is shown below.  This bee is from a different site.