348 E. T. CRESSON. 



Descriptions of two new species of MASARIS. 



BY E. T. CRESS(1\. 



Masaris occidentalis, n. sp. — 9- — Fulvo-ferruginous ; face with rather 

 flense yellowish pubescence; head above clypeus black, the orbits, a semi-cir- 

 cular spot between antennae and a dot above it, fulvo-ferruginous ; club of an- 

 lennse blackish above; mesothorax black, with a fulvo-ferruginous stripe over 

 tegulse ; base of scutellum and pleura black, the latter with a large ferruginous 

 spot beneath wings; nietathorax with a short robust spine on each lateral an- 

 gle; wings fuliginous, costa yellowish ; legs honey-yellow, posterior tibise and 

 tarsi paler; first and second abdominal segments fulvo-ferruginous, the third, 

 fourth and fifth bright yellow, base of first with a large quadrate black spot, 

 second, third and fourth black at base, broadly dilated towards the middle, 

 apical segment honey-yellow; on each side of the segments near apical margin 

 a short, narrow, longitudinal, ferruginous stripe; venter yellow, honey-yellow 

 at apex, apical segment narrowly black at base. Length 8 lines. 

 Mah. — Texas. (Belfrage.) One specimen. 



Masaris tezanus, n. sp. — %,. — Black, shining; a triangular honey-yellow 

 mark above antennse, enclosing ocelli, the anterior margin of which/ is sinuate, 

 sometimes this mark is purplish-ferruginous, margined with pale yellow; cly- 

 peus with a median quadrate spot at base, sometimes yellowish, with roseate 

 disk; mandibles and palpi more or less pale; antennae black, the fifth to seventh 

 joints and basal half of club, beneath, pale yellow, their apex ringed with 

 black, club ferruginous laterally at tip; collar with a yellow spot on each 

 side; prothorax with a broad lemon-yellow band not reaching tegulse, each 

 extremity of the band deeply emurginate and sometimes stained with roseate; 

 mesothorax with two more or less distinct dots in front and a central spot, ful- 

 vous ; scutellum with a sublunate fulvous spot near apex; tegulee lemon-yel- 

 low, sometimes stained with roseate; lateral spines of metathorax yellowish; 

 pleura with a yellow spot beneath wings ; wings subhyaline, costa from stigma 

 to tip of marginal cell, fuscous; legs fulvous; abdomen black, polished, apical 

 margin of each segment more or less broadly yellow, indented on each side an- 

 teriorly, except on first segment where the band is broadest, those on second 

 and third segments interrupted by a large purplish-ferruginous stain, which di- 

 vides the band into three spots, the three following segments have each a con- 

 tinuous, sinuous yellowish apical fascia; apical segment deeply bifid at tip; 

 second and third ventral segments ferruginous, the fourth and fifth with a 

 yellowish band; third ventral segment with a large, prominent, ferruginous 

 pr(>jection, subemarginate and obtuse at apex. Length fi lines. 



9 . — Besides the sexual characters the J differs from the % as follows: — The 

 colors more obscure ; a median spot on the face and the emargination of eyes 

 yellowish; spot on clypeus larger; antennae ferruginous, second joint black, 

 club dusky above ; prothorax dull purplish-ferruginous, a yellow linear spot 

 on each side anteriorly ; scutellar spot ferruginous; abdomen dull, yellowish 

 bands narrower, the first three obtusely indented on each side anteriorly with 

 dull ferruginous; aj)i<'al segment with a lateral yellow spot. Length 6 lines. 

 Hah. — Texas. (Belfrage.) Two % , two $ speuimens. 



