AEDE8 CALOPUS 833 



separated by a brown patch of equal width; eyes, blue-black; clypeus, first 

 antennal segment and apices of palpi with white scales, those on antennae being 

 Interrupted externally; a few black scales on second joint of antennae; remaining 

 Joints dark-brown, and proboscis dull-black. Prothoracic lobes nearly covered with 

 silver-white scales; mesothorax with narrow, seal-brown scales, shaped and arranged 

 as in S. fasciata Fabr. Markings as follows: A broad, silver-white band on each 

 side, curving outward, then inward at middle of thorax and extending back to hinder 

 margin as in 8. fasciata Pabr. External and parallel to this is a bare or scaleless 

 linear area; between the lyre-shaped figure thus formed, a very short, median 

 golden-white line from anterior margin of mesothorax, then two parallel, sub-median 

 lines extending two-thirds of distance to posterior margin, then a short median ex- 

 tending to brown, bare spot, then 2 parallel sub-median short lines at sides of bare 

 spot, extending to posterior margin; a broken line of white in front of wings, sub- 

 parallel with hinder curve of lyre-flgure, its beginning on pleura; halteres light- 

 brown, pale-knobbed. Second to sixth abdominal segments blue-black, with basal, 

 transverse, silver- white bands and basal, lateral spots on terga; seventh segment 

 minus basal band but with white lateral spots, apical margins of all segments with 

 golden hairs dorsally and ventrally. Ventrum white scaled, fifth and sixth with 

 some black laterally and aplcally; seventh all black, pale-bordered apically. 



Anterior femora pale-scaled basally, a narrow line of which extends to apex ex- 

 ternally; black along superior edge; knees with white spot on each side of articula- 

 tion; mid femora black externally, with longitudinal, white hair-line through middle 

 nearly to apex; base and internal surface whitish; knees white; exterior face of 

 posterior femora white nearly to apex, except superior edge which is black as is 

 apex; knees white; all tibiae black with 2 distinct rows of snow-white spines 

 arranged as on legs of certain Orthoptera; all metatarsi and first tarsals brown- 

 black with white basal bands; remaining tarsi on fore and mid legs, uniformly 

 brown-black; posterior second tarsi brown-black, basally white banded; third tarsi, 

 white, apically black-banded; last tarsi, pure white. Ungues equal, unidentate on 

 all except posterior legs. 



Wing veins, densely scaled; posterior cross vein a little more than twice its 

 length from the mid cross vein, the interior angle of which with the supernumerary 

 is about 135°. The venation and lepldotaxis are very similar to 8. fasciata Fabr., 

 and 8. scutellaris sumarensis Ludl. 



^ similar in all essential respects to ?. Antennae are conspicuously pale banded; 

 palpi slightly longer than proboscis and with 4 white bands, the apical 2 of which 

 are ventral only; the wings less densely scaled; the posterior cross vein slightly 

 farther removed from mid cross vein and somewhat shorter. 



The size in both (^ and 2 is extremely variable, specimens of the former measuring 

 from 3.5-5 millimeters and of the latter 4-6 millimeters. Wings length cJ 1.75-2.25 

 millimeters; ? 2-2.75 millimeters. 



Manila, Negkos Occidentai,, Iloilo, P. I. (BanJcs, Coll.). 



Time of flight: This mosquito has been captured in Manila during every month 

 of the year. 



Types of c? and 2 No. 5773 in Entomological Collection, Bureau of Science, Manila, 

 P. I. 



This mosquito is the most annoying form found in the Islands and like its con- 

 gener, S. fasciata Fabr., is extremely persistent in its attacks, returning repeatedly 

 however many times it may be repulsed. Upon alighting it walks around to find a 

 suitable place to bite. Its favorite points of attack being the back of the neck, the 

 ankles, and the back of the hands when one is holding a book. It will In no case 

 alight upon white articles except such as one may be wearing, such as white socks 

 or white clothes that have been recently removed from the person. Its time of 

 attack is from 1 to 3 p. m. and just as night falls, when the daylight is too dim for 

 reading. It appears also to be a forerunner of a storm, as it usually attacks one with 

 great energy just before signs of a shower appear. This mosquito is very wily, 

 usually attacking one from behind, and when struck at, almost Invariably files be- 

 hind one's chair to renew the attack as soon as everything appears to be quiet. 

 This is not noticeable with any other species of mosquito so far observed in the 

 Philippines. 



Oeiginal Description oe Ctjlex anguste-aiatus : 



Bin Mannchen von Tenerifte am 1. Dezember. Pliigel ungefleckt, sehr klein und 

 schmal. Riissel ohne Binden. Beine nur an den Tarsenwurzeln bandiert. Nach 

 der von Theobald fiir diese Gruppe Band I 383 aufgestellten Bestimmungstabelle 

 ist die einzige vergleichbare Art O. japonicus, deren Thorax aber mit funf gold- 

 braunen Schuppenstreifen geziert ist, wahrend unsere Art vier silberfarbene auf- 



