ART. 20 RECORDS OP TACHINIDAE ALDRICH 5 



ANETIA DIMMOCKI, new Species 



Description. — Smallish, rather slender, gray species, with three 

 posterior dorsocentrals, black palpi, discals well developed, one 

 bristle on outer side of middle tibia. Female with piercer and 2 

 to 4 pairs of striking blunt spines on edge of inflexed tergites 2 and 

 3, on middle of venter. Infrasqiiamal setules absent. 



Male : Front 0.225 of head width at vertex, not widening to mid- 

 dle; pollen of parafacials, parafrontals, and face grayish white, 

 hardly silvery. One pair verticals, ocellars large and proclinate, 

 three pairs reclinate frontals above, the uppermost, however, very 

 small ; about nine other frontals, the single row ending at about 

 mifldle of second antennal joint. Parafrontal with only a few very 

 minute hairs besides frontals; frontal stripe dark brown, wider 

 above than one parafrontal; parafacial bare, narrower at its middle 

 than third antennal joint. Antennae black, third joint rather 

 slender, almost reaching vibrissae, hardly more than twice as long 

 as the second joint. Arista thickened on basal third, microscopically 

 pubescent, basal joints short. Vibrissae at oral margin, only a few 

 hairs above them on the divergent part of the ridges. Cheek one- 

 seventh eye height. Eyes bare; back of head with white hair except 

 one row behind eye. 



Thorax black, subshining, from behind showing thin pollen, on 

 which a pair of slender black stripes lie between the acrostichals 

 and the dorsocentrals and extend considerably behind the suture; 

 outside the dorsocentrals a pair of broader black stripes reaching 

 to the hindmost dorsocentral. Acrostichal, 3, 3, one pair close in 

 front of the suture; inner presutural (anterior intraalar) present; 

 sternopleural, 2, 1. Scutellum black to apex wnth three pairs margi- 

 nal, one smallish discal, and a pair of decussate apicals about half 

 as long as adjacent marginal; the apicals are only a little upturned. 



Abdomen black, pointed, rather slender, second to fourth segments 

 of equal length, first not much shorter; one-half or more of second 

 and third segments shining black, the base with an ill-defined band 

 of gray pollen fading out behind and clearly interrupted in the 

 middle; fourth segment with narrower basal band hardly inter- 

 rupted. First segment with a pair of strong medium marginals, 

 second with a discal and a marginal pair, the latter stouter; third 

 with discal pair and stout but sparse marginal row numbering only 

 six in the whole width; fourth segment with stout bristly erect hairs 

 all over dorsal surface and a few irregular bristles, apex especially 

 below with long backwardly directed bristles. Venter mostly shin- 

 ing except in very oblique view. Along the median dorsal region 

 between the bristles of second and third segments the hairs are 

 noticeably erect and coarse. 



