1920] Dozier: Insects of Florida 371 



SCOLYTID^. 



Ips calligraphus Germ. This scolytid was found in large numbers 

 with its galleries in the bark of a felled long-leaf pine; the tree had died 

 within the last three months, August 3. On this date the majority- 

 were just emerging from the pupal stage, but larger numbers of full 

 grown larvae and pupae were present. 



DIPTERA. 



CECIDOMYIID^. 



Cecidomyia brachynteroides O. S. A number of galls were col- 

 lected on Pinus palustris December 2. The bases of the leaves are 

 enlarged to form galls. 



Dr. Felt, in a letter, writes that "this is a rather common type of 

 gall upon pines, which has gone in years past, under the name of C. 

 brachynteroides O. S. or C. pinirigidm Pack., the first being associated 

 with deformations on Pinus inops and the second occurring on P. 

 rigida. It happens that insects have been reared from neither of 

 these, consequently we are uncertain as to the actual identity of the gall 

 maker, though rearings from a similar gall on the Western P. radiata 

 produced a species very different from what has been supposed to be 

 the cause of these swellings in the Eastern states. It is possible that 

 one or more species may be responsible for these galls in the Eastern 

 states, and under the conditions a definite determination is out of the 

 question. " 



CULICID^. 



Psorophora ciliata Fab. Giant Mosquito or Gallinipper. This 

 is our largest species of mosquito and is known nearly everywhere in 

 Florida as the "Gallinipper." Although frequently found in velvet- 

 bean fields adjacent to hammocks, near moist or wet areas, it is typical 

 of low hammock. It is very persistent, even in open daylight and its 

 bite very painful. 



The following mosquitoes have been taken at Gainesville by Mr. 

 U. C. Loftin ('13): Culex quinquefasciatus, Anopheles quadrimacu- 

 latus, Anopheles crucians, Stegomyia calopus. 



ASILID^. 



Mallophora orcina Wied. This robber-fly is taken occasionally in 

 hammocks. August 13. Very little is known of the breeding habits of 

 the American species of robber-flies. Hubbard ('SO, p. 262) saw a 

 female of this Florida species bury its abdomen in the ground, where it 

 deposited five or six eggs at a depth of half to two-thirds of an inch. 

 The eggs hatched in a week. 



Deromyia bilineata Loew. This is the most abundant asilid in 

 the region. It has been taken in piney woods and hammock margin and 

 is abundant in velvet-bean fields adjacent to hammocks. August 6- 

 September 27. 



