-120- 
cattle in the Bueci s anyon on May 7. Two egg masses --ere found. 
(May l6): Adults were observed on livestock in the Sabinal 
canyon, never more than 'otto 00 three on an animal^One fly was 
observed ovipositing on a stone in the river and several masses 
of eggs vera found. The egg parasite Prophanurus e mersoni 
Girault was observed ovipositing on a fresh mass of tabanid eggs, 
COMMON BOT FLY (Ga strouhilus jntestinalis DeG.) 
Texas F„ C Bishopp (May 2): A number of freshly deposited eggs of 
this species were observed on horses in this vicinity (Menard), 
although no adults were actually seen ovipositing, The number 
of eggs per animal ranges from ICO to 300. 
THROAT BOT FLY (G nstrcrfrilus nasal is L„ ) 
Texas F„ G, Bishopp (May 2)' These bot flies were causing some annoyanc 
to horses in this locality (Menard). Come animals show an in- 
festation of several hundred eggs whereas ethers have comparative 
few. 
HORN FLY (H e.om atobia jrritans L. ) 
Missouri L, Haseman (Hay 21): This nest is starting out early, as it is 
already qaite abundant. Some dairymen are already asking for fly 
s pray r e c omme n dat i on s . 
Texas F» C. Bishopp (May 2 end 3)' 2orn flies are causing range cattle 
some annoyance in this section (Menard and San Sana). The number 
present per animal ranges from about 100 to 1,000 with an average 
of about ^00 per animal, 
D« C. Farman (May 22): The horn fly is beginning to show up 
again at Uvalde and as many as 200 adults are observed on some 
cattle. Most of the cattle have no flies en them, (May 7)- 
Cbscrvations were made in the Nueces canyon to Uo miles north; 
flics were first noticed abcut 10 miles north of Uvalde and 
increased north as far as was observed until from 100 to 2>C00 
flics were on most cattle along the river and in shaded pastures; 
in the open higher pastures the flics -ere fewer, never more t 
' 20C to 300 on any cattle. 
F. C. Bishopp (May 2U): Horn flies are decidedly less numerous 
on cattle in the vicinity of Dallas than is usual for this time 
of ar. The number ranges from IOC to 500 with an average 
of perhaps 200 per animal. 
SCRET3 WORM (Cochli omyia mac ell ari a Fab.) 
I xas L. C. Parman (May 21;: . .ults began to appear in good numbers 
bout lay "i : '} '-rapping May 5, l,Unb; May 17, 5t S 20 adults 
A few cases of worms 'were found the first of the month 
and there has been some increases; to date there have r.cvor 
. reported more then 10 : b on any ranch, a good deal less 
than 1 per cent infestation. 
