370 PROCEEDINGS OF THE ACADEMY OF [1895. 



hair. Inner eye margins almost parallel; dorsulum and scutellum 

 rather strongly punctured, the punctures separated; punctuation of 

 middle segment closer and confluent; pulvilli large and distinct. 

 Length 10 ram. 



Tucson, Arizona (coll. Ashmead). Three specimens, two of 

 which lack heads. The coloration, size and length of wings will dis- 

 tinguish this species. In shape it reminds one of the bee-genus 

 Epeolus, being short and robust. 



13. Monedula exigua n. sp. 



9 . — Black; inner and posterior orbits, that on the latter extend- 

 ing across the vertex, semicircular spot before anterior ocellus, in- 

 ferior portion of front, clypeus, labrum, mandibles except apex, 

 scape entirely, the following three or four joints beneath, line on 

 pronotum, sides of prothorax more or less, tubercles, a lateral line 

 and two medial longitudino- parallel lines on dorsulum, irregular 

 spot posteriorly on same, line on scutellum posteriorly, broadest at 

 sides, line on metanotum, another on middle segment, mesopleurse 

 and sternum almost entirely, spot on metapleura?, another larger one 

 at posterolateral angles of middle segment, legs, except spot above 

 on coxse, trochanters and base of femora, a broad band on dorsal 

 abdominal segments 1-5, the first deeply emarginate anteriorly in 

 middle, the others much less deeply, but more broadly, last segment 

 apically, and all the ventrals more or less, the third entirely, the 

 second nearly so, bright yellow T ; head and thorax sparsely pubescent, 

 wings hyaline, very short, not one- third longer than thorax; flagel- 

 lum testaceous above. Eyes slightly diverging above; vertex with 

 the depressions less marked than usual; dorsulum and scutellum 

 rather closely, though distinctly punctured, the middle segment more 

 strongly; pulvilli distinct. Length 9 mm. 



Montana. 



14. Monedula villosa n. sp. 



Monedjtla mamillata Fox (non Handlirsch), Proc. Calif. Acad. Sci. (2) IV, 

 p. 10. 



$ . — Head and thorax with very dense and shaggy, pale pubes- 

 cence; first dorsal and ventrals 1 and 2 witli similar but sparser 

 pubescence, the remaining abdominal segments with short semi-erect 

 pubescence. Black; inner and posterior orbits, spot on each side of 

 fore ocellus, clypeus, labrum, mandibles except apex, scape beneath, 

 line on pronotum, sides of prothorax in part, tubercles, two spots, 



